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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019eaf02-7cea-712d-8fdc-d8c8e3c54b12,g:02ecddaf-a8b6-4188-bc89-f76dd21d090c-->
<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://owlrockcoreincomecorp.com/role/DocumentandEntityInformationDocument" xlink:type="simple" xlink:href="ocic-20260608.xsd#DocumentandEntityInformationDocument"/>
  <link:presentationLink xlink:role="http://owlrockcoreincomecorp.com/role/DocumentandEntityInformationDocument" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019eaf02-7ceb-7d25-b8b7-5b2968f42169" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_DocumentType_019eaf02-7ceb-7d25-b8b7-5b2968f42169" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019eaf02-7ceb-7603-b9e3-3a5a6e9dfa17" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_DocumentPeriodEndDate_019eaf02-7ceb-7603-b9e3-3a5a6e9dfa17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019eaf02-7ceb-700e-97be-82fae3d7b401" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityRegistrantName_019eaf02-7ceb-700e-97be-82fae3d7b401" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019eaf02-7ceb-76f0-afb2-c88178808639" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019eaf02-7ceb-76f0-afb2-c88178808639" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019eaf02-7ceb-78ba-9a45-67cb09780043" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityFileNumber_019eaf02-7ceb-78ba-9a45-67cb09780043" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019eaf02-7ceb-781d-848f-59bd7478503f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityTaxIdentificationNumber_019eaf02-7ceb-781d-848f-59bd7478503f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019eaf02-7ceb-7146-bab5-e3e4301c531b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityAddressAddressLine1_019eaf02-7ceb-7146-bab5-e3e4301c531b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019eaf02-7ceb-72b8-b254-254765f9d75f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityAddressStateOrProvince_019eaf02-7ceb-72b8-b254-254765f9d75f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019eaf02-7ceb-7afd-96f1-1ccfa095fabc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityAddressCityOrTown_019eaf02-7ceb-7afd-96f1-1ccfa095fabc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019eaf02-7ceb-76dc-9013-f8ad90b60f31" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityAddressPostalZipCode_019eaf02-7ceb-76dc-9013-f8ad90b60f31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019eaf02-7ceb-79cf-9b85-0c879359662f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_CityAreaCode_019eaf02-7ceb-79cf-9b85-0c879359662f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019eaf02-7ceb-7267-ae3d-8c3ecef1778a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_LocalPhoneNumber_019eaf02-7ceb-7267-ae3d-8c3ecef1778a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019eaf02-7ceb-745d-b00d-7eb3089f339f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_WrittenCommunications_019eaf02-7ceb-745d-b00d-7eb3089f339f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019eaf02-7ceb-7525-b726-fb3340646992" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_SolicitingMaterial_019eaf02-7ceb-7525-b726-fb3340646992" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019eaf02-7ceb-71ce-bc53-607efa19858b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_PreCommencementTenderOffer_019eaf02-7ceb-71ce-bc53-607efa19858b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019eaf02-7ceb-713e-8dc4-9397b592f81d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019eaf02-7ceb-713e-8dc4-9397b592f81d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019eaf02-7ceb-78f3-b420-901709699c92" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityEmergingGrowthCompany_019eaf02-7ceb-78f3-b420-901709699c92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019eaf02-7ceb-7ff6-9a95-ab6e4615674b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_EntityCentralIndexKey_019eaf02-7ceb-7ff6-9a95-ab6e4615674b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019eaf02-7ceb-7f97-9c9f-92e4389bcf61" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019eaf02-7ceb-7072-afb8-e1418e865b68" xlink:to="loc_dei_AmendmentFlag_019eaf02-7ceb-7f97-9c9f-92e4389bcf61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
