After surviving the Texas heat with a point at Houston Dash, OL Reign were back on the road, this time to much calmer climates, against San Diego Wave FC in a 4 versus 5 matchup in the standings. The two sides met earlier in the regular season with OL Reign picking up a 1-0 home victory on April 15. They met again on May 31 in California for a NWSL Challenge Cup fixture, where OL Reign bested them again, 3-0.
To close out the regular season series, OL Reign kept it on the winning side against San Diego courtesy of a Bethany Balcer brace for the 2-1 victory.