The Mavericks will square off with Georgia State this weekend in a three-game series.
UTA used a two-run seventh inning to pick up the victory over Dartmouth on Sunday afternoon.
Christian Hollie recorded three hits with one triple and one double on Saturday.
UTA wrapped up its home opener with a 7-0 victory of Southeastern Louisiana.
The Mavs brought the tying run to the plate in the 9th before ending the game with a ground out.