UTA cut into a five-run deficit in the eighth, but ultimately came up short against Georgia State.
The Mavericks will square off with Georgia State this weekend in a three-game Sun Belt series.
UT Arlington gave up six runs in the first two innings against Baylor on Tuesday night.
UTA used a two-run seventh inning to pick up the victory over Dartmouth on Sunday afternoon.
UTA will square off with No. 14 Texas on Tuesday and No. 16 Dallas Baptist on Wednesday this week.