UTA fell 6-4 in 11 innings against GSU at Clay Gould Ballpark on Saturday afternoon.
The Mavericks will square off with Georgia State this weekend in a three-game Sun Belt series.
UTA recorded its second Sun Belt series victory this season as it won two out of three against USA.
UTA held ACU to just three hits on the night while starter Kyle Laberge recorded 7 Ks.
After dropping the opening game of the DH, UTA stormed back with a 4-3 decision.
Prior to UT Arlington (LSU Eunice)