Marc-Andre Fleury made 26 saves in his first start of the Western Conference first round, leading the Vegas Golden Knights to a 2-1 win against the Chicago Blackhawks in Game 3 on Saturday in Edmonton.
William Karlsson scored short-handed, and Patrick Brown scored in his first game of the series for the top-seeded Golden Knights, who can sweep the best-of-seven series with another win in Game 4 on Sunday afternoon.
Olli Maatta scored, and Corey Crawford made 24 saves for the 12th-seeded Blackhawks.
Reilly Smith was in the penalty box for slashing Calvin de Haan when Karlsson scored short-handed at 4:12 of the first period.
Mark Stone stole the puck from Duncan Keith and centered a pass to Karlsson coming through center ice with speed. Karlsson lifted a backhand from the inside edge of the right circle into the top left corner.
Blackhawks forward Patrick Kane hit the right post with the net wide open with just under two minutes left in the first period, the 13th time Chicago has hit a post or crossbar in this postseason.
The Golden Knights were without forwards Paul Stastny and Tomas Nosek, who were unfit to play. Brown drew into the lineup and scored off a rebound at 15:23 of the second period to stretch the lead to 2-0, his first career playoff goal.