The Boston Celtics advance to showdown with 76ers after eliminating the Atlanta Hawks in Game 6. Game 1 is Monday night in Boston.

Boston ripped off an 11-0 run that included three straight three-pointers, with Horford’s big shot sandwiched around threes from Jayson Tatum and Jaylen Brown.

Tatum capped the spurt with a dunk, which gave the Celtics a 121-113 lead with 2:07 remaining.

Brown led the Celtics with 32 points, while Tatum had 30. Horford, who played in Atlanta from 2007-16, chipped in with 10 points and 12 rebounds.