Ray Jarvis scored 13 points and TCU used a 10-3 run down the stretch to edge Prairie View A&M 44-39 on Sunday in a South Padre Invitational game.
Kyan Anderson's 3-pointer at the six-minute mark broke a 32-32 tie, and he had another bucket to key TCU's game-ending run.
TCU posted its lowest winning point total since 1983.
TCU (3-1) made 30 percent of its shots, including just 5 for 20 in the first half, while Prairie View (2-3) shot 28 percent for the game.
Devonta Abron had 10 points and eight rebounds for TCU, including four offensive boards in the second half.
Jourdan DeMuynck had 17 points for the Panthers, who struggled from the free-throw line, hitting 11 of 24 attempts.