Charlie Brown scored 16 points in 28 minutes but the Hawks lost to the Wizards 76-71 Thursday in the NBA Summer League in Las Vegas.
Tahjere McCall was the only other Hawks player scoring in double figures with 12. McCall, a guard, led the Hawks with nine rebounds.
The Hawks, who were ahead 22-13 after the first quarter, finished the preliminary round with a 1-3 record. Washington is 2-2.
The Hawks again played without De’Andre Hunter, the No. 4 overall pick in the NBA draft. He was held out due to a sore right knee.
Brown, a forward, scored 18 points in his first game on Tuesday, a win over the Pacers.
The Hawks shot just 38 percent from the field against the Wizards. Guard Jordan Sibert was 3 of 14 for nine points, guard Jaylen Adams was 1 of 8 for five points and center Bruno Fernando was 1 of 6 for just two points. Sibert was 3 for 11 on 3-pointers. He scored 21 points Tuesday.
Adams had nine assists and two steals and did not commit any turnovers against Washington.