Kevin Durant scored 37 points, Russell Westbrook added 28, and Oklahoma City beat San Antonio 113-99 on Thursday night to win the Western Conference semifinal series 4-2.

Oklahoma City lost 124-92 in Game 1, but first-year coach Billy Donovan led the Thunder to victory in four of the next five. Oklahoma City controlled Game 6, leading by as many as 28 points.

Steven Adams had 15 points and 11 rebounds, and Andre Roberson added 14 points for the Thunder. Oklahoma City now will face defending NBA champion Golden State, starting Monday in Oakland, California.

Kawhi Leonard scored 22 points and LaMarcus Aldridge added 18 for the Spurs. San Antonio lost just once at home during the regular season, but the Thunder beat the Spurs twice in San Antonio during the series.

Oklahoma City opened up a 47-29 lead late in the second quarter after a 3-pointer by Westbrook. Durant's 3-pointer with 2.3 seconds left in the half pushed the lead to 55-31 at the break.

Oklahoma City kept the pressure on and led 91-65 at the end of the third quarter.