The Boston Celtics defeated the Philadelphia 76ers 123-91 in Game 1 of the 2026 NBA first-round playoff series [1].

This victory establishes early momentum for Boston in the postseason and puts Philadelphia in a precarious position. A commanding win in the series opener often dictates the psychological advantage for the remainder of the first round.

The game took place at TD Garden in Boston [2]. The Celtics leveraged their home-court advantage to secure a 1-0 lead in the series [1]. The margin of victory—32 points—highlights a significant gap in execution during the opening contest.

Analysts said that the absence of Joel Embiid was a key factor in the outcome [1]. Without their primary interior presence, the 76ers struggled to contain Boston's offense and maintain defensive cohesion throughout the four quarters.

While the initial result suggests a dominant start for the Celtics, some reporting has already begun to speculate on the volatility of the series. Some observers said potential collapses occur in first-round matchups, though the current scoreline favors Boston heavily [2].

The 2026 playoffs continue with both teams looking to adjust their rotations. Philadelphia must now find a way to compensate for missing personnel if they hope to avoid a quick exit from the tournament [1].

Celtics defeated the 76ers 123-91

The 32-point victory suggests that the 76ers' roster depth is insufficient to compete with Boston when their star center is unavailable. For the Celtics, this win validates their current tactical approach and puts immense pressure on Philadelphia to produce a win in the next game to remain competitive in the series.