The OKC Thunder suffered a 119-107 road loss to the Denver Nuggets in Game 6 of the Western Conference semifinals. The series is now tied at 3-3.

The OKC Thunder, the No. 1 seed in the Western Conference, and the Denver Nuggets, the No. 4 seed, face off in a second-round NBA playoffs series.

The Nuggets are going into Oklahoma City for a colossal Game 7 against the Thunder on Sunday (1:30 p.m. MT). The winner advances to the Western Conference Finals to face the Minnesota Timberwolves. The loser enters the offseason. Here are three keys to the winner-take-all playoff game, which will air on ABC.