<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019f4278-17cb-7eb5-a567-d9d5c657f398,g:ad64f9b8-ebb7-4d8a-b501-5fac21ebc5cb-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_ck0001771146_NewFundRiskMember_label_en-US" xlink:label="lab_ck0001771146_NewFundRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Fund Risk Member</link:label>
    <link:label id="lab_ck0001771146_NewFundRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_NewFundRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Fund Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_NewFundRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_NewFundRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_NewFundRiskMember" xlink:to="lab_ck0001771146_NewFundRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_RightsAndWarrantsRiskMember_label_en-US" xlink:label="lab_ck0001771146_RightsAndWarrantsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rights And Warrants Risk Member</link:label>
    <link:label id="lab_ck0001771146_RightsAndWarrantsRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_RightsAndWarrantsRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rights And Warrants Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_RightsAndWarrantsRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_RightsAndWarrantsRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_RightsAndWarrantsRiskMember" xlink:to="lab_ck0001771146_RightsAndWarrantsRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFStructureRiskMarketPriceVarianceRiskMember_label_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskMarketPriceVarianceRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Structure Risk, Market Price Variance Risk Member</link:label>
    <link:label id="lab_ck0001771146_ETFStructureRiskMarketPriceVarianceRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskMarketPriceVarianceRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Structure Risk, Market Price Variance Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFStructureRiskMarketPriceVarianceRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_ETFStructureRiskMarketPriceVarianceRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFStructureRiskMarketPriceVarianceRiskMember" xlink:to="lab_ck0001771146_ETFStructureRiskMarketPriceVarianceRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_EquitySecuritiesRiskMember_label_en-US" xlink:label="lab_ck0001771146_EquitySecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Securities Risk Member</link:label>
    <link:label id="lab_ck0001771146_EquitySecuritiesRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_EquitySecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Securities Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_EquitySecuritiesRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_EquitySecuritiesRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_EquitySecuritiesRiskMember" xlink:to="lab_ck0001771146_EquitySecuritiesRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFStructureRiskCostsOfBuyingOrSellingSharesOfTheFundMember_label_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskCostsOfBuyingOrSellingSharesOfTheFundMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Structure Risk, Costs Of Buying Or Selling Shares Of The Fund Member</link:label>
    <link:label id="lab_ck0001771146_ETFStructureRiskCostsOfBuyingOrSellingSharesOfTheFundMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskCostsOfBuyingOrSellingSharesOfTheFundMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Structure Risk, Costs Of Buying Or Selling Shares Of The Fund Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFStructureRiskCostsOfBuyingOrSellingSharesOfTheFundMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_ETFStructureRiskCostsOfBuyingOrSellingSharesOfTheFundMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFStructureRiskCostsOfBuyingOrSellingSharesOfTheFundMember" xlink:to="lab_ck0001771146_ETFStructureRiskCostsOfBuyingOrSellingSharesOfTheFundMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFStructureRiskTradingIssuesRiskMember_label_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskTradingIssuesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Structure Risk, Trading Issues Risk Member</link:label>
    <link:label id="lab_ck0001771146_ETFStructureRiskTradingIssuesRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskTradingIssuesRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Structure Risk, Trading Issues Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFStructureRiskTradingIssuesRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_ETFStructureRiskTradingIssuesRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFStructureRiskTradingIssuesRiskMember" xlink:to="lab_ck0001771146_ETFStructureRiskTradingIssuesRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_SAndP500IndexInceptionDatedOnJuly212021IndexMember_label_en-US" xlink:label="lab_ck0001771146_SAndP500IndexInceptionDatedOnJuly212021IndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">S&amp;P 500 Index Inception Dated On July 21 2021</link:label>
    <link:label id="lab_ck0001771146_SAndP500IndexInceptionDatedOnJuly212021IndexMember_documentation_en-US" xlink:label="lab_ck0001771146_SAndP500IndexInceptionDatedOnJuly212021IndexMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">S&amp;P 500 Index Inception Dated On July 21 2021</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_SAndP500IndexInceptionDatedOnJuly212021IndexMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_SAndP500IndexInceptionDatedOnJuly212021IndexMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_SAndP500IndexInceptionDatedOnJuly212021IndexMember" xlink:to="lab_ck0001771146_SAndP500IndexInceptionDatedOnJuly212021IndexMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_SAndP500IndexInceptionDatedOnApril292021IndexMember_label_en-US" xlink:label="lab_ck0001771146_SAndP500IndexInceptionDatedOnApril292021IndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">S&amp;P 500 Index Inception Dated On April 29 2021</link:label>
    <link:label id="lab_ck0001771146_SAndP500IndexInceptionDatedOnApril292021IndexMember_documentation_en-US" xlink:label="lab_ck0001771146_SAndP500IndexInceptionDatedOnApril292021IndexMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">S&amp;P 500 Index Inception Dated On April 29 2021</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_SAndP500IndexInceptionDatedOnApril292021IndexMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_SAndP500IndexInceptionDatedOnApril292021IndexMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_SAndP500IndexInceptionDatedOnApril292021IndexMember" xlink:to="lab_ck0001771146_SAndP500IndexInceptionDatedOnApril292021IndexMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_C000226143Member_label_en-US" xlink:label="lab_ck0001771146_C000226143Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Formidable ETF Class</link:label>
    <link:label id="lab_ck0001771146_C000226143Member_documentation_en-US" xlink:label="lab_ck0001771146_C000226143Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Formidable ETF Class</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_C000226143Member" xlink:href="ck0001771146-20260729.xsd#ck0001771146_C000226143Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_C000226143Member" xlink:to="lab_ck0001771146_C000226143Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_OptionsRiskMember_label_en-US" xlink:label="lab_ck0001771146_OptionsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Options Risk Member</link:label>
    <link:label id="lab_ck0001771146_OptionsRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_OptionsRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Options Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_OptionsRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_OptionsRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_OptionsRiskMember" xlink:to="lab_ck0001771146_OptionsRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_RiskOfHighlyVolatileMarketsMember_label_en-US" xlink:label="lab_ck0001771146_RiskOfHighlyVolatileMarketsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Of Highly Volatile Markets Member</link:label>
    <link:label id="lab_ck0001771146_RiskOfHighlyVolatileMarketsMember_documentation_en-US" xlink:label="lab_ck0001771146_RiskOfHighlyVolatileMarketsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Of Highly Volatile Markets Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_RiskOfHighlyVolatileMarketsMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_RiskOfHighlyVolatileMarketsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_RiskOfHighlyVolatileMarketsMember" xlink:to="lab_ck0001771146_RiskOfHighlyVolatileMarketsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETNRiskMember_label_en-US" xlink:label="lab_ck0001771146_ETNRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETN Risk Member</link:label>
    <link:label id="lab_ck0001771146_ETNRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ETNRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETN Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETNRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_ETNRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETNRiskMember" xlink:to="lab_ck0001771146_ETNRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_C000226145Member_label_en-US" xlink:label="lab_ck0001771146_C000226145Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Formidable Fortress ETF Class</link:label>
    <link:label id="lab_ck0001771146_C000226145Member_documentation_en-US" xlink:label="lab_ck0001771146_C000226145Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Formidable Fortress ETF Class</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_C000226145Member" xlink:href="ck0001771146-20260729.xsd#ck0001771146_C000226145Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_C000226145Member" xlink:to="lab_ck0001771146_C000226145Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember_label_en-US" xlink:label="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Large Capitalization Securities Risk Member</link:label>
    <link:label id="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Large Capitalization Securities Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_LargeCapitalizationSecuritiesRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:to="lab_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_IssuerNonDiversificationRiskMember_label_en-US" xlink:label="lab_ck0001771146_IssuerNonDiversificationRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuer Non-Diversification Risk Member</link:label>
    <link:label id="lab_ck0001771146_IssuerNonDiversificationRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_IssuerNonDiversificationRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuer Non-Diversification Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_IssuerNonDiversificationRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_IssuerNonDiversificationRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_IssuerNonDiversificationRiskMember" xlink:to="lab_ck0001771146_IssuerNonDiversificationRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFStructureRiskAuthorizedParticipantsAPsMarketMakersAndLiquidityProvidersRiskMember_label_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskAuthorizedParticipantsAPsMarketMakersAndLiquidityProvidersRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Structure Risk, Authorized Participants (&#8220;APs&#8221;), Market Makers, And Liquidity Providers Risk Member</link:label>
    <link:label id="lab_ck0001771146_ETFStructureRiskAuthorizedParticipantsAPsMarketMakersAndLiquidityProvidersRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskAuthorizedParticipantsAPsMarketMakersAndLiquidityProvidersRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Structure Risk, Authorized Participants (&#8220;APs&#8221;), Market Makers, And Liquidity Providers Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFStructureRiskAuthorizedParticipantsAPsMarketMakersAndLiquidityProvidersRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_ETFStructureRiskAuthorizedParticipantsAPsMarketMakersAndLiquidityProvidersRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFStructureRiskAuthorizedParticipantsAPsMarketMakersAndLiquidityProvidersRiskMember" xlink:to="lab_ck0001771146_ETFStructureRiskAuthorizedParticipantsAPsMarketMakersAndLiquidityProvidersRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_S000071249Member_label_en-US" xlink:label="lab_ck0001771146_S000071249Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Formidable Dividend and Income ETF</link:label>
    <link:label id="lab_ck0001771146_S000071249Member_documentation_en-US" xlink:label="lab_ck0001771146_S000071249Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Formidable Dividend and Income ETF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000071249Member" xlink:href="ck0001771146-20260729.xsd#ck0001771146_S000071249Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_S000071249Member" xlink:to="lab_ck0001771146_S000071249Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_InvestmentCompanyRiskMember_label_en-US" xlink:label="lab_ck0001771146_InvestmentCompanyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Company Risk Member</link:label>
    <link:label id="lab_ck0001771146_InvestmentCompanyRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_InvestmentCompanyRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment Company Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_InvestmentCompanyRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_InvestmentCompanyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_InvestmentCompanyRiskMember" xlink:to="lab_ck0001771146_InvestmentCompanyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_InvestmentRiskMember_label_en-US" xlink:label="lab_ck0001771146_InvestmentRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Risk Member</link:label>
    <link:label id="lab_ck0001771146_InvestmentRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_InvestmentRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_InvestmentRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_InvestmentRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_InvestmentRiskMember" xlink:to="lab_ck0001771146_InvestmentRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_C000226144Member_label_en-US" xlink:label="lab_ck0001771146_C000226144Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Formidable Dividend and Income ETF Class</link:label>
    <link:label id="lab_ck0001771146_C000226144Member_documentation_en-US" xlink:label="lab_ck0001771146_C000226144Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Formidable Dividend and Income ETF Class</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_C000226144Member" xlink:href="ck0001771146-20260729.xsd#ck0001771146_C000226144Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_C000226144Member" xlink:to="lab_ck0001771146_C000226144Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_S000071248Member_label_en-US" xlink:label="lab_ck0001771146_S000071248Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Formidable ETF</link:label>
    <link:label id="lab_ck0001771146_S000071248Member_documentation_en-US" xlink:label="lab_ck0001771146_S000071248Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Formidable ETF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000071248Member" xlink:href="ck0001771146-20260729.xsd#ck0001771146_S000071248Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_S000071248Member" xlink:to="lab_ck0001771146_S000071248Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_DepositaryReceiptsMember_label_en-US" xlink:label="lab_ck0001771146_DepositaryReceiptsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depositary Receipts Member</link:label>
    <link:label id="lab_ck0001771146_DepositaryReceiptsMember_documentation_en-US" xlink:label="lab_ck0001771146_DepositaryReceiptsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Depositary Receipts Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_DepositaryReceiptsMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_DepositaryReceiptsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_DepositaryReceiptsMember" xlink:to="lab_ck0001771146_DepositaryReceiptsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_LiquidityRiskMember_label_en-US" xlink:label="lab_ck0001771146_LiquidityRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liquidity Risk Member</link:label>
    <link:label id="lab_ck0001771146_LiquidityRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_LiquidityRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liquidity Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_LiquidityRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_LiquidityRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_LiquidityRiskMember" xlink:to="lab_ck0001771146_LiquidityRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_MidAndSmallCapitalizationStockRiskMember_label_en-US" xlink:label="lab_ck0001771146_MidAndSmallCapitalizationStockRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mid And Small Capitalization Stock Risk Member</link:label>
    <link:label id="lab_ck0001771146_MidAndSmallCapitalizationStockRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_MidAndSmallCapitalizationStockRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mid And Small Capitalization Stock Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_MidAndSmallCapitalizationStockRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_MidAndSmallCapitalizationStockRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_MidAndSmallCapitalizationStockRiskMember" xlink:to="lab_ck0001771146_MidAndSmallCapitalizationStockRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_DerivativesRiskMember_label_en-US" xlink:label="lab_ck0001771146_DerivativesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives Risk Member</link:label>
    <link:label id="lab_ck0001771146_DerivativesRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_DerivativesRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivatives Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_DerivativesRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_DerivativesRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_DerivativesRiskMember" xlink:to="lab_ck0001771146_DerivativesRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ETFStructureRiskMember_label_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ETF Structure Risk Member</link:label>
    <link:label id="lab_ck0001771146_ETFStructureRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ETFStructureRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ETF Structure Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFStructureRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_ETFStructureRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ETFStructureRiskMember" xlink:to="lab_ck0001771146_ETFStructureRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_FLEXOptionsRiskMember_label_en-US" xlink:label="lab_ck0001771146_FLEXOptionsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FLEX Options Risk Member</link:label>
    <link:label id="lab_ck0001771146_FLEXOptionsRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_FLEXOptionsRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">FLEX Options Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_FLEXOptionsRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_FLEXOptionsRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_FLEXOptionsRiskMember" xlink:to="lab_ck0001771146_FLEXOptionsRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_MidCapitalizationStockRiskMember_label_en-US" xlink:label="lab_ck0001771146_MidCapitalizationStockRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mid Capitalization Stock Risk Member</link:label>
    <link:label id="lab_ck0001771146_MidCapitalizationStockRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_MidCapitalizationStockRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mid Capitalization Stock Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_MidCapitalizationStockRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_MidCapitalizationStockRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_MidCapitalizationStockRiskMember" xlink:to="lab_ck0001771146_MidCapitalizationStockRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ActiveManagementRiskMember_label_en-US" xlink:label="lab_ck0001771146_ActiveManagementRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Active Management Risk Member</link:label>
    <link:label id="lab_ck0001771146_ActiveManagementRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ActiveManagementRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Active Management Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ActiveManagementRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_ActiveManagementRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ActiveManagementRiskMember" xlink:to="lab_ck0001771146_ActiveManagementRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_LeverageRiskMember_label_en-US" xlink:label="lab_ck0001771146_LeverageRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leverage Risk Member</link:label>
    <link:label id="lab_ck0001771146_LeverageRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_LeverageRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leverage Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_LeverageRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_LeverageRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_LeverageRiskMember" xlink:to="lab_ck0001771146_LeverageRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_MarketRiskMember_label_en-US" xlink:label="lab_ck0001771146_MarketRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk Member</link:label>
    <link:label id="lab_ck0001771146_MarketRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_MarketRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_MarketRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_MarketRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_MarketRiskMember" xlink:to="lab_ck0001771146_MarketRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_REITsMember_label_en-US" xlink:label="lab_ck0001771146_REITsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">REITs Member</link:label>
    <link:label id="lab_ck0001771146_REITsMember_documentation_en-US" xlink:label="lab_ck0001771146_REITsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">REITs Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_REITsMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_REITsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_REITsMember" xlink:to="lab_ck0001771146_REITsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_RiskOfOtherEquitySecuritiesRightsAndWarrantsMember_label_en-US" xlink:label="lab_ck0001771146_RiskOfOtherEquitySecuritiesRightsAndWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Of Other Equity Securities, Rights And Warrants Member</link:label>
    <link:label id="lab_ck0001771146_RiskOfOtherEquitySecuritiesRightsAndWarrantsMember_documentation_en-US" xlink:label="lab_ck0001771146_RiskOfOtherEquitySecuritiesRightsAndWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Of Other Equity Securities, Rights And Warrants Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_RiskOfOtherEquitySecuritiesRightsAndWarrantsMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_RiskOfOtherEquitySecuritiesRightsAndWarrantsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_RiskOfOtherEquitySecuritiesRightsAndWarrantsMember" xlink:to="lab_ck0001771146_RiskOfOtherEquitySecuritiesRightsAndWarrantsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_RiskOfOtherEquitySecuritiesPreferredSecuritiesMember_label_en-US" xlink:label="lab_ck0001771146_RiskOfOtherEquitySecuritiesPreferredSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Of Other Equity Securities, Preferred Securities Member</link:label>
    <link:label id="lab_ck0001771146_RiskOfOtherEquitySecuritiesPreferredSecuritiesMember_documentation_en-US" xlink:label="lab_ck0001771146_RiskOfOtherEquitySecuritiesPreferredSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Of Other Equity Securities, Preferred Securities Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_RiskOfOtherEquitySecuritiesPreferredSecuritiesMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_RiskOfOtherEquitySecuritiesPreferredSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_RiskOfOtherEquitySecuritiesPreferredSecuritiesMember" xlink:to="lab_ck0001771146_RiskOfOtherEquitySecuritiesPreferredSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_InvestmentStrategyRiskMember_label_en-US" xlink:label="lab_ck0001771146_InvestmentStrategyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Strategy Risk Member</link:label>
    <link:label id="lab_ck0001771146_InvestmentStrategyRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_InvestmentStrategyRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment Strategy Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_InvestmentStrategyRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_InvestmentStrategyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_InvestmentStrategyRiskMember" xlink:to="lab_ck0001771146_InvestmentStrategyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_ForeignSecuritiesRiskMember_label_en-US" xlink:label="lab_ck0001771146_ForeignSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Securities Risk Member</link:label>
    <link:label id="lab_ck0001771146_ForeignSecuritiesRiskMember_documentation_en-US" xlink:label="lab_ck0001771146_ForeignSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Securities Risk Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ForeignSecuritiesRiskMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_ForeignSecuritiesRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_ForeignSecuritiesRiskMember" xlink:to="lab_ck0001771146_ForeignSecuritiesRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_RiskOfOtherEquitySecuritiesMember_label_en-US" xlink:label="lab_ck0001771146_RiskOfOtherEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Of Other Equity Securities Member</link:label>
    <link:label id="lab_ck0001771146_RiskOfOtherEquitySecuritiesMember_documentation_en-US" xlink:label="lab_ck0001771146_RiskOfOtherEquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Of Other Equity Securities Member</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_RiskOfOtherEquitySecuritiesMember" xlink:href="ck0001771146-20260729.xsd#ck0001771146_RiskOfOtherEquitySecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_RiskOfOtherEquitySecuritiesMember" xlink:to="lab_ck0001771146_RiskOfOtherEquitySecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ck0001771146_S000071250Member_label_en-US" xlink:label="lab_ck0001771146_S000071250Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Formidable Fortress ETF</link:label>
    <link:label id="lab_ck0001771146_S000071250Member_documentation_en-US" xlink:label="lab_ck0001771146_S000071250Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Formidable Fortress ETF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000071250Member" xlink:href="ck0001771146-20260729.xsd#ck0001771146_S000071250Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ck0001771146_S000071250Member" xlink:to="lab_ck0001771146_S000071250Member" xlink:type="arc" order="1"/>
  </link:labelLink>
</link:linkbase>
