Change the order of the events in the admin list table so they're ordered by Datetime, in descending order. https://eventespresso.com/topic/event-list-not-sorting-by-date/

filter.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file
add_action ( 'admin_menu', 'ee_filter_ee_events_orderyby_datetime', 99 );
function ee_filter_ee_events_orderyby_datetime() {
    // call global submenu item
    global $submenu;
    // edit main link for events
    $submenu['espresso_events'][0][2] = 'admin.php?page=espresso_events&orderby=Datetime.DTT_EVT_start&order=asc&active_status=upcoming';
}

instuctions.md

Usage notes

You can add the code to a functions plugin or into your WordPress theme's functions.php file.

You can change order=asc to order=desc to reverse the order.