ORLANDO (Interstat) — Jayson Tatum scored 32 points and Paul George added 17 as the Boston Celtics beat the Orlando Magic 108-97 on Sunday at Kia Center. Boston improved to 5-1 and won its fifth straight game. Orlando fell to 2-4 and dropped to 0-3 at home. Attendance was 18,236. Boston erased an early deficit, took a 55-50 lead into halftime and led 77-74 through three quarters before pulling away in the fourth.

Tatum made 15 free throws and finished with four rebounds, seven assists and two blocks in 34 minutes. He had scored at least 23 points in each of Boston’s previous four games, including a 40-point effort against Brooklyn. George had six rebounds, eight assists and two blocks in 33 minutes. Derrick White added 12 points, two rebounds and two assists. Luka Garza scored 12 points with six rebounds and four assists in 21 minutes off the bench. Neemias Queta had eight points, nine rebounds and two blocks in 27 minutes.

Orlando got 23 points apiece from Tristan da Silva and Anthony Black. Da Silva had 10 rebounds in 35 minutes, and Black had eight rebounds and three assists in 33 minutes. Franz Wagner scored 14 points and had a career-high 12 assists to go with six rebounds in 40 minutes. Desmond Bane scored 19 points in 40 minutes, and Wendell Carter had seven points and 10 rebounds in 35 minutes.

The Magic opened with a 13-4 lead after Bane made a 3-pointer with 8:17 remaining in the first quarter. Boston answered with a 20-10 run and took a 24-23 lead after Garza made a tip shot and a free throw with 33.4 seconds left in the opening period. Hugo Gonzalez made a 3-pointer and a running layup during the Boston comeback, and Tatum added a pullup jumper and a driving layup. Boston pushed its lead to 55-50 at halftime after White made a 3-pointer with 55.7 seconds remaining in the second quarter. Tatum made a 25-foot 3-pointer and a layup in the final three minutes of the first half, and Garza made a 3-pointer and two free throws. Anthony Black scored seven points in the second quarter for Orlando, and Wagner made two layups in the final 2:22 of the half.

The Celtics opened the third quarter with a 14-4 run and led 69-54 after White made a 3-pointer with 7:03 left in the period. Orlando rallied from that 15-point deficit. Da Silva made three 3-pointers in the third quarter, including a 26-foot step-back with 3:58 left that cut Boston’s lead to 69-66. Black made a 23-foot 3-pointer with 46.1 seconds remaining to tie the game at 72. Wendell Carter made a 5-foot shot with 14.8 seconds left before Tatum made three free throws with 1.3 seconds remaining to put Boston ahead 77-74 going into the fourth.

The Magic tied the game again at 79 when Black completed a three-point play with 11:11 remaining in the fourth. Boston then produced the decisive stretch. Pritchard made a go-ahead basket and free throw at 10:33, Garza made a 23-foot 3-pointer at 9:50, and Scheierman made a 24-foot 3-pointer at 5:39 to help Boston move ahead 95-85. Paul George made two free throws at 5:02, and after Orlando cut the deficit to 97-93, Tatum made a 17-foot pullup with 3:41 left and a 12-foot pullup with 3:05 left for a 101-93 lead. Black made two free throws, Queta made a layup at 2:17, and George made a 3-pointer with 1:32 remaining to give Boston a 106-95 lead. Queta also blocked two shots in the final two minutes. Da Silva scored with about a minute left, and White made two free throws with 47.6 seconds remaining to close the scoring.

Boston finished 37 of 84 from the floor, 12 of 44 from 3-point range and 22 of 26 from the free-throw line. Orlando shot 34 of 81 from the floor, 14 of 39 from 3-point range and 15 of 19 from the free-throw line. Boston had 14 offensive rebounds, nine assists, seven blocks, 12 turnovers and 22 fouls. Orlando had 13 offensive rebounds, six assists, two blocks, 16 turnovers and 22 fouls. Boston scored 108 points from 94 possessions for an offensive rating of 114.5. Orlando scored 97 points from 93 possessions for an offensive rating of 104.3.

Boston entered with four consecutive wins after a season-opening loss at Detroit. The Celtics had beaten New York, Chicago, Brooklyn in overtime and Chicago during that stretch. Orlando had won at Toronto in its previous game but remained winless at home. Boston next plays at Houston. Orlando next hosts Washington.

Interstat’s game simulator had projected a final score of Boston 112, Orlando 106. Interstat’s ELO system had projected Orlando with a 53.7 percent probability to win. Boston had been installed as a pregame favorite with a spread of minus 7.5. The combined score of 205 finished below the over/under line of 221.5.