ATLANTA (Interstat) — Onyeka Okongwu scored a season-high 29 points and grabbed 12 rebounds, leading the Atlanta Hawks to a 114-111 victory over the Cleveland Cavaliers in an NBA game on Thursday. Atlanta snapped a three-game losing streak to improve to 3-3 and halted Cleveland’s three-game winning streak. The Cavaliers dropped to 3-2.

Cleveland opened aggressively as Evan Mobley made two free throws and James Harden scored on a pair of driving layups. Sam Merrill hit two 3-pointers on consecutive possessions to help the Cavaliers take an early advantage. Atlanta answered with Okongwu’s 24-foot 3-pointer and Luguentz Dort’s 3. Cleveland closed the first quarter with Donovan Mitchell’s 25-foot 3 and Tyrese Proctor’s short basket to lead 28-16.

Atlanta chipped away in the second quarter. Jock Landale and Aaron Wiggins hit 3-pointers, and Wiggins added a driving layup. Cleveland got jumpers from Jarrett Allen and Mobley, but Atlanta tied the score at 37 on Okongwu’s running layup with 4:33 left in the half. CJ McCollum gave Atlanta the lead with a driving floater, and Jalen Johnson and Nickeil Alexander-Walker followed with layups. Okongwu hit a 25-foot 3 and Merrill answered with a 3 for Cleveland before Harden made two free throws to cut Atlanta’s halftime lead to 46-44.

Atlanta opened the third quarter with Okongwu’s 3 and Johnson’s short jumper. Cleveland stayed close behind Mitchell and Harden. Harden’s 3 with 6:51 left cut Atlanta’s lead to 65-61. Atlanta pushed its lead to 73-64 on Johnson’s 3 after Okongwu scored inside. Merrill kept Cleveland within striking range with a 3-pointer and a tip shot, and Mario Hezonja’s 3 and Allen’s 25-foot 3 made it 83-82. Atlanta closed the quarter with Wiggins’ turnaround jumper, Dort’s free throw and Alexander-Walker’s running jump shot for an 89-82 lead.

Cleveland answered in the fourth. Harden’s 3 with 8:22 left pulled the Cavaliers to 97-91. Johnson made a tip shot, Allen added a layup and Peyton Watson made a free throw before Johnson’s running dunk pushed Atlanta’s lead to 101-94. Okongwu made a layup, Hezonja scored on an 11-foot fadeaway and Johnson hit a 25-foot running jumper to make it 106-96. Harden made a free throw and Allen added a tip-in dunk to cut the deficit to 106-99. Dyson Daniels’ reverse layup with 2:25 remaining gave Atlanta a 108-99 lead. Mitchell made two free throws, Harden converted a three-point play and the Cavaliers moved within four.

The game’s pivotal stretch came in the final minute. Harden made a driving layup and completed a three-point play with 1:45 remaining to pull Cleveland within 108-104. Alexander-Walker answered with a layup at 1:27 to restore a six-point Atlanta lead. Mobley dunked off a Mitchell assist at 1:19 to make it 110-106. Mitchell then made three free throws with 43.2 seconds left to cut the Hawks’ lead to 110-109. Okongwu made a two-point shot with 28.2 seconds remaining to push Atlanta’s advantage to 112-109. Mitchell scored on a 5-foot shot with 20.6 seconds left to bring Cleveland within one. Alexander-Walker made two free throws with 15.3 seconds remaining to give Atlanta a 114-111 lead. Mitchell got two potential tying looks off on the final possession but misfired on both.

Okongwu led Atlanta in scoring and rebounding, adding two assists and one block. Harden paced Cleveland with 24 points, five rebounds and four assists. Johnson added 17 points, eight rebounds and seven assists for Atlanta, and Wiggins scored 20 points with seven rebounds and three assists. Allen had 14 points and eight rebounds for Cleveland. Alexander-Walker scored 25 points for Atlanta. Mitchell added 22 points, three rebounds and three assists for Cleveland. Mobley contributed 11 points, four rebounds and seven assists. Hezonja scored 10 points with six rebounds for Cleveland, and Merrill added 16 points with two rebounds and three assists.

Cleveland shot 38 of 87 from the floor, 13 of 42 from 3-point range and 22 of 29 from the free-throw line. Atlanta shot 42 of 95 overall, 17 of 43 from beyond the arc and 13 of 18 from the foul line. The Hawks held a 15-9 edge in offensive rebounds, while the Cavaliers had a 5-3 advantage in blocks. Cleveland committed nine turnovers to Atlanta’s 11. Cleveland was whistled for 19 fouls, and Atlanta committed 22. Atlanta finished with four assists, and Cleveland had three.

Cleveland scored 111 points from 101 possessions, an offensive rating of 110.1. Atlanta scored 114 points from 100 possessions, an offensive rating of 114.5. The Hawks’ 17 3-pointers and 15 offensive rebounds helped offset a Cleveland advantage at the free-throw line. The Cavaliers made 22 free throws to Atlanta’s 13 but were unable to convert enough late possessions.

Okongwu’s performance came after he scored 11, 11, 8 and 10 points in his previous four games. He made several key shots in the second half, including a 3-pointer early in the third quarter and a driving layup with 5:38 remaining in the third that helped Atlanta keep Cleveland at bay. The Hawks also got timely contributions from Wiggins, who made three 3-pointers in the first half as Atlanta built its lead, and Johnson, who finished with seven assists and helped Atlanta maintain ball movement in the fourth quarter.

Atlanta’s victory ended a three-game skid and improved the Hawks to .500. Cleveland, which had won three straight, fell to 3-2. The game was played at State Farm Arena in Atlanta, Ga., before an announced attendance of 15,025. The Hawks led for much of the second half and withstood Cleveland’s fourth-quarter push.

Interstat’s game simulator had projected a final score of Atlanta 114, Cleveland 107. Interstat’s ELO system gave Atlanta a 50.6 percent probability to win. Atlanta was installed as a pregame favorite with a spread of -0.5. The game’s total of 225 was listed against an over/under line of 237.5.