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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019ce376-a300-71c4-a745-30628fd4587b,g:c516fa30-5c22-4b79-ac45-3e337d8afab2-->
<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://xbrl.sec.gov/rr/role/RiskReturn" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#RiskReturn"/>
  <link:presentationLink xlink:role="http://xbrl.sec.gov/rr/role/RiskReturn" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000096309Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_S000096309Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001771146_S000096309Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/FeesAndExpenses" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#FeesAndExpenses"/>
  <link:presentationLink xlink:role="http://xbrl.sec.gov/rr/role/FeesAndExpenses" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000096309Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_S000096309Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001771146_S000096309Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/OperatingExpensesData" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#OperatingExpensesData"/>
  <link:presentationLink xlink:role="http://xbrl.sec.gov/rr/role/OperatingExpensesData" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_C000265139Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_C000265139Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_ShareClassDomain" xlink:to="loc_ck0001771146_C000265139Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000096309Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_S000096309Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001771146_S000096309Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/ExpenseExample" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ExpenseExample"/>
  <link:presentationLink xlink:role="http://xbrl.sec.gov/rr/role/ExpenseExample" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_C000265139Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_C000265139Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_ShareClassDomain" xlink:to="loc_ck0001771146_C000265139Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000096309Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_S000096309Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001771146_S000096309Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/InvestmentStrategy" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#InvestmentStrategy"/>
  <link:presentationLink xlink:role="http://xbrl.sec.gov/rr/role/InvestmentStrategy" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000096309Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_S000096309Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001771146_S000096309Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/InvestmentRisks" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#InvestmentRisks"/>
  <link:presentationLink xlink:role="http://xbrl.sec.gov/rr/role/InvestmentRisks" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AllRisksMember"/>
    <link:loc xlink:type="locator" xlink:label="loc_oef_RiskLoseMoneyMember" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskLoseMoneyMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_oef_RiskLoseMoneyMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_oef_RiskNotInsuredMember" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskNotInsuredMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_oef_RiskNotInsuredMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_EquitySecuritiesRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_EquitySecuritiesRiskMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_EquitySecuritiesRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_MarketRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_MarketRiskMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_MarketRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ActiveManagementRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_ActiveManagementRiskMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_ActiveManagementRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_LargeCapitalizationSecuritiesRiskMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_LargeCapitalizationSecuritiesRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_RisksOfInvestmentSelectionMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_RisksOfInvestmentSelectionMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_RisksOfInvestmentSelectionMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_GrowthStyleRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_GrowthStyleRiskMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_GrowthStyleRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ForeignSecuritiesRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_ForeignSecuritiesRiskMember"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_ForeignSecuritiesRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_oef_RiskNondiversifiedStatusMember" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_RiskNondiversifiedStatusMember"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_oef_RiskNondiversifiedStatusMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_ETFRisksMember"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_ETFRisksMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_ETFRisksAuthorizedParticipantsMarketMakersAndLiquidityProvidersLimitationRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksCashRedemptionRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_ETFRisksCashRedemptionRiskMember"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_ETFRisksCashRedemptionRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_ETFRisksCostsOfBuyingOrSellingSharesMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksSharesMayTradeAtPricesOtherThanNAVMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_ETFRisksSharesMayTradeAtPricesOtherThanNAVMember"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_ETFRisksSharesMayTradeAtPricesOtherThanNAVMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_ETFRisksTradingMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_ETFRisksTradingMember"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_ETFRisksTradingMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_SecuritiesLendingRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_SecuritiesLendingRiskMember"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_SecuritiesLendingRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_NewFundRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_NewFundRiskMember"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_NewFundRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_NewAdviserRiskMember" xlink:href="ck0001771146-20260424.xsd#ck0001771146_NewAdviserRiskMember"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oef_AllRisksMember" xlink:to="loc_ck0001771146_NewAdviserRiskMember" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000096309Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_S000096309Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001771146_S000096309Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/PerformanceManagement" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#PerformanceManagement"/>
  <link:presentationLink xlink:role="http://xbrl.sec.gov/rr/role/PerformanceManagement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_ck0001771146_S000096309Member" xlink:href="ck0001771146-20260424.xsd#ck0001771146_S000096309Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain" xlink:to="loc_ck0001771146_S000096309Member" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/label"/>
  </link:presentationLink>
</link:linkbase>