PHOENIX (Interstat) — Shai Gilgeous-Alexander scored 31 points and dished eight assists as the Oklahoma City Thunder defeated the Phoenix Suns 131-122 on Monday at Mortgage Matchup Center to complete a four-game playoff sweep.

Oklahoma City led wire-to-wire, shooting 44 of 82 from the floor and 17 of 34 from 3-point range. The Thunder outscored the Suns 37-33 in the first quarter and 38-34 in the second to build a 75-67 halftime advantage. They extended the lead to 106-98 after three quarters.

Chet Holmgren added 24 points and eight rebounds for Oklahoma City, which improved to 68-18. Devin Booker scored 27 points for Phoenix, while Jalen Green had 24. The Suns finished 48 of 90 shooting but missed 25 of 39 3-point attempts.

Oklahoma City won the rebounding battle 44-38 and converted 26 of 30 free throws. Phoenix committed 25 fouls to the Thunder’s 20. The 17,071 in attendance watched the Thunder secure their first playoff series victory of the season, winning all four games by double digits.