<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.5b -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#Cover" roleURI="http://sport-natics.com/role/Cover" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#BalanceSheets" roleURI="http://sport-natics.com/role/BalanceSheets" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#BalanceSheetsParenthetical" roleURI="http://sport-natics.com/role/BalanceSheetsParenthetical" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#StatementOfOperations" roleURI="http://sport-natics.com/role/StatementOfOperations" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#StatementOfOperationsParenthetical" roleURI="http://sport-natics.com/role/StatementOfOperationsParenthetical" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#StatementOfStockholdersEquity" roleURI="http://sport-natics.com/role/StatementOfStockholdersEquity" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#StatementOfCashFlows" roleURI="http://sport-natics.com/role/StatementOfCashFlows" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cyd/2026/cyd-2026.xsd#CybersecurityRiskManagementAndStrategyDisclosure" roleURI="http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cyd/2026/cyd-2026.xsd#MaterialCybersecurityIncidentDisclosure" roleURI="http://xbrl.sec.gov/cyd/role/MaterialCybersecurityIncidentDisclosure" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#CybersecurityRiskManagementStrategyAndGovernance" roleURI="http://sport-natics.com/role/CybersecurityRiskManagementStrategyAndGovernance" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#OrganizationAndNatureOfBusiness" roleURI="http://sport-natics.com/role/OrganizationAndNatureOfBusiness" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#GoingConcern" roleURI="http://sport-natics.com/role/GoingConcern" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#SummaryOfSignificantAccountingPolicies" roleURI="http://sport-natics.com/role/SummaryOfSignificantAccountingPolicies" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#CommonStock" roleURI="http://sport-natics.com/role/CommonStock" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#CommitmentsAndContingencies" roleURI="http://sport-natics.com/role/CommitmentsAndContingencies" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IntangibleAssets" roleURI="http://sport-natics.com/role/IntangibleAssets" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#RelatedPartyTransactions" roleURI="http://sport-natics.com/role/RelatedPartyTransactions" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IncomeTaxes" roleURI="http://sport-natics.com/role/IncomeTaxes" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#SubsequentEvents" roleURI="http://sport-natics.com/role/SubsequentEvents" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://sport-natics.com/role/SummaryOfSignificantAccountingPoliciesPolicies" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IntangibleAssetsTables" roleURI="http://sport-natics.com/role/IntangibleAssetsTables" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IncomeTaxesTables" roleURI="http://sport-natics.com/role/IncomeTaxesTables" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#CybersecurityRiskManagementStrategyAndGovernanceDetailsNarrative" roleURI="http://sport-natics.com/role/CybersecurityRiskManagementStrategyAndGovernanceDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#GoingConcernDetailsNarrative" roleURI="http://sport-natics.com/role/GoingConcernDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#SummaryOfSignificantAccountingPoliciesDetailsNarrative" roleURI="http://sport-natics.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#CommonStockDetailsNarrative" roleURI="http://sport-natics.com/role/CommonStockDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IntangibleAssetsDetails" roleURI="http://sport-natics.com/role/IntangibleAssetsDetails" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IntangibleAssetsDetailsNarrative" roleURI="http://sport-natics.com/role/IntangibleAssetsDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IncomeTaxesDetails-IncomeTaxReconciliation" roleURI="http://sport-natics.com/role/IncomeTaxesDetails-IncomeTaxReconciliation" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IncomeTaxesDetails-DeferredTaxes" roleURI="http://sport-natics.com/role/IncomeTaxesDetails-DeferredTaxes" />
    <link:roleRef xlink:type="simple" xlink:href="none-20260430.xsd#IncomeTaxesDetailsNarrative" roleURI="http://sport-natics.com/role/IncomeTaxesDetailsNarrative" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#PvpExecutiveCategoriesOnly" roleURI="http://xbrl.sec.gov/ecd/role/PvpExecutiveCategoriesOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#PvpAdjustmentsOnly" roleURI="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#IndividualsOnly" roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#AwardTypeOnly" roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2026/ecd-2026.xsd#TradingArrangmentsOnly" roleURI="http://xbrl.sec.gov/ecd/role/TradingArrangementsOnly" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll" arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/Cover" xlink:title="00000001 - Document - Cover" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/BalanceSheets" xlink:title="00000002 - Statement - BALANCE SHEETS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/BalanceSheetsParenthetical" xlink:title="00000003 - Statement - BALANCE SHEETS (Parenthetical)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/StatementOfOperations" xlink:title="00000004 - Statement - STATEMENT OF OPERATIONS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/StatementOfOperationsParenthetical" xlink:title="00000005 - Statement - STATEMENT OF OPERATIONS (Parenthetical)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/StatementOfStockholdersEquity" xlink:title="00000006 - Statement - STATEMENT OF STOCKHOLDERS&apos; EQUITY">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaapStatementLineItems" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaapStatementTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStatementTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaapStatementEquityComponentsAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementEquityComponentsAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaapCommonStockMember_0" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapCommonStockMember_0" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaapAdditionalPaidInCapitalMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapAdditionalPaidInCapitalMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaapRetainedEarningsMember_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapRetainedEarningsMember_20" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaapStockholdersEquity_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockholdersEquity_50" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharesOutstanding" xlink:label="loc_us-gaapSharesOutstanding_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapSharesOutstanding_50" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_50" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaapNetIncomeLoss_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapNetIncomeLoss_50" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_50" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueOther" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueOther_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueOther_50" xlink:type="arc" order="6" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesOther" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesOther_50" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesOther_50" xlink:type="arc" order="7" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/StatementOfCashFlows" xlink:title="00000007 - Statement - STATEMENT OF CASH FLOWS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" xlink:title="00000013 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cyd/role/MaterialCybersecurityIncidentDisclosure" xlink:title="00000014 - Disclosure - Material Cybersecurity Incident Disclosure" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/CybersecurityRiskManagementStrategyAndGovernance" xlink:title="999015 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/OrganizationAndNatureOfBusiness" xlink:title="999016 - Disclosure - ORGANIZATION AND NATURE OF BUSINESS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/GoingConcern" xlink:title="999017 - Disclosure - GOING CONCERN" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/SummaryOfSignificantAccountingPolicies" xlink:title="999018 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/CommonStock" xlink:title="999019 - Disclosure - COMMON STOCK" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/CommitmentsAndContingencies" xlink:title="999020 - Disclosure - COMMITMENTS AND CONTINGENCIES" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IntangibleAssets" xlink:title="999021 - Disclosure - INTANGIBLE ASSETS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/RelatedPartyTransactions" xlink:title="999022 - Disclosure - RELATED PARTY TRANSACTIONS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IncomeTaxes" xlink:title="999023 - Disclosure - INCOME TAXES" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/SubsequentEvents" xlink:title="999024 - Disclosure - SUBSEQUENT EVENTS" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:title="999025 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IntangibleAssetsTables" xlink:title="999026 - Disclosure - INTANGIBLE ASSETS (Tables)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IncomeTaxesTables" xlink:title="999027 - Disclosure - INCOME TAXES (Tables)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/CybersecurityRiskManagementStrategyAndGovernanceDetailsNarrative" xlink:title="999028 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/GoingConcernDetailsNarrative" xlink:title="999029 - Disclosure - GOING CONCERN (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative" xlink:title="999030 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/CommonStockDetailsNarrative" xlink:title="999031 - Disclosure - COMMON STOCK (Details Narrative)">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:label="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:label="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xbrldt:contextElement="segment" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:type="arc" order="10" xbrldt:closed="true" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_CounterpartyNameAxis" xlink:label="loc_srtCounterpartyNameAxis" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaapScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="loc_srtCounterpartyNameAxis" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_srtRepurchaseAgreementCounterpartyNameDomain" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srtCounterpartyNameAxis" xlink:to="loc_srtRepurchaseAgreementCounterpartyNameDomain" xlink:type="arc" order="20" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_srtRepurchaseAgreementCounterpartyNameDomain_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xbrldt:contextElement="segment" xlink:from="loc_srtCounterpartyNameAxis" xlink:to="loc_srtRepurchaseAgreementCounterpartyNameDomain_10" xlink:type="arc" order="30" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_DirectorMember" xlink:label="loc_srtDirectorMember_10" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtRepurchaseAgreementCounterpartyNameDomain" xlink:to="loc_srtDirectorMember_10" xlink:type="arc" order="11" />
      <link:loc xlink:type="locator" xlink:href="none-20260430.xsd#NONE_Shareholders27Member" xlink:label="loc_NONEShareholders27Member_20" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtRepurchaseAgreementCounterpartyNameDomain" xlink:to="loc_NONEShareholders27Member_20" xlink:type="arc" order="21" />
      <link:loc xlink:type="locator" xlink:href="none-20260430.xsd#NONE_AFewIndividualsMember" xlink:label="loc_NONEAFewIndividualsMember_40" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srtRepurchaseAgreementCounterpartyNameDomain" xlink:to="loc_NONEAFewIndividualsMember_40" xlink:type="arc" order="41" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaapCommonStockSharesAuthorized_80" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapCommonStockSharesAuthorized_80" xlink:type="arc" order="0" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaapCommonStockParOrStatedValuePerShare_80" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapCommonStockParOrStatedValuePerShare_80" xlink:type="arc" order="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_80" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodSharesNewIssues_80" xlink:type="arc" order="2" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_80" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapStockIssuedDuringPeriodValueNewIssues_80" xlink:type="arc" order="3" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaapProceedsFromIssuanceOfCommonStock_80" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapProceedsFromIssuanceOfCommonStock_80" xlink:type="arc" order="4" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaapCommonStockSharesOutstanding_80" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapCommonStockSharesOutstanding_80" xlink:type="arc" order="5" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaapCommonStockSharesIssued_80" />
      <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaapCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="loc_us-gaapCommonStockSharesIssued_80" xlink:type="arc" order="6" />
    </link:definitionLink>
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IntangibleAssetsDetails" xlink:title="999032 - Disclosure - INTANGIBLE ASSETS (Details)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IntangibleAssetsDetailsNarrative" xlink:title="999033 - Disclosure - INTANGIBLE ASSETS (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IncomeTaxesDetails-IncomeTaxReconciliation" xlink:title="999034 - Disclosure - INCOME TAXES (Details - Income tax reconciliation)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IncomeTaxesDetails-DeferredTaxes" xlink:title="999035 - Disclosure - INCOME TAXES (Details - Deferred taxes)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://sport-natics.com/role/IncomeTaxesDetailsNarrative" xlink:title="999036 - Disclosure - INCOME TAXES (Details Narrative)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/PvpExecutiveCategoriesOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" />
    <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/ecd/role/TradingArrangementsOnly" />
</link:linkbase>
