The Hawks advanced to the semifinals of the Las Vegas Summer League Saturday with a 91-83 victory over the Mavericks.
The Hawks (4-2) will play the Spurs at 6 p.m. (ET) on Sunday. The championship game of the tournament will be played Monday.
Glenn Robinson III led the Hawks with 20 points on 8 of 11 shooting, including two 3-pointers. Terran Petteway (8 of 11) and Brandon Ashley (6 of 9) each finished with 19 points and Lamar Patterson added 16 points and five assists.
Center Edy Tavares suffered a laceration of his right index finger in the third quarter.