Kevin Durant scored 37 points, and the Thunder defeated the San Antonio Spurs, 113-99, in Oklahoma City on Thursday in Game 6 of the teams’ best-of-seven Western Conference semifinals series.

The victory allowed the Thunder to win the series, 4-2, advance to the Western Conference Finals where they’ll face the Golden State Warriors for the right to go to the NBA Finals.

Oklahoma City dominated the action, taking a whopping 55-31 halftime lead. San Antonio rallied to cut the lead late, but they couldn’t finish the comeback.

Russell Westbrook added 28 points and 12 assists for the Thunder.

Kawhi Leonard scored 22 points to lead the Spurs. Teammate LaMarcus Aldridge had 18 points and 14 rebounds.

San Antonio’s veteran center Tim Duncan netted 19 points in what could have been the final game of his storied NBA career.

2016 NBA Western Conference Semifinals: Oklahoma City beats San Antonio, 4-2

(2) San Antonio Spurs vs. (3) Oklahoma City Thunder

Game 1: San Antonio 124, Oklahoma City 92
Game 2: Oklahoma City 98, San Antonio 97
Game 3: San Antonio 100, Oklahoma City 96
Game 4: Oklahoma City 111, San Antonio 97
Game 5: Oklahoma City 95, San Antonio 91
Game 6: Oklahoma City 113, San Antonio 99