The Oklahoma City Thunder swept the Phoenix Suns in the Western Conference first-round series on Monday night [1].

This victory marks a dominant start to the Thunder's title defense and eliminates a key regional rival from the 2026 NBA playoffs [1]. By securing a sweep, the Thunder advance to the Western Conference semifinals with significant momentum.

The decisive Game 4 took place at the Mortgage Matchup Center in Phoenix [2]. The Thunder defeated the Suns with a final score of 131-122 [3]. Shai Gilgeous-Alexander led the offensive effort, scoring 31 points [3].

Supporting the lead, Chet Holmgren added 24 points to the final tally [4]. The combined effort ensured the Suns could not mount a comeback in the closing quarters of the game.

According to The New York Times (Athletic), "The Oklahoma City Thunder have opened their title defense with a first-round series sweep after Monday night's win in Phoenix" [1], the publication said. The result confirms the Thunder's position as a primary contender in the Western Conference.

While the Thunder focused on their series conclusion, other playoff action continued across the conference. The Denver Nuggets also played in Game 5 of their respective series [5].

“The Oklahoma City Thunder have opened their title defense with a first-round series sweep”

The sweep demonstrates a significant power imbalance between the Thunder and the Suns in the current postseason. By eliminating Phoenix in only four games, Oklahoma City has not only conserved energy for the semifinals but has also established a psychological advantage as the defending champions.