Thomas Greiss made 36 saves, and the New York Islanders defeated the Philadelphia Flyers 3-2 in Game 4 to extend their lead in the Eastern Conference Second Round series at Scotiabank Arena in Toronto on Sunday.
Brock Nelson scored twice, and Jean-Gabriel Pageau broke a 1-1 tie on a breakaway at 7:19 of the third period for New York, the No. 6 seed in the East.
Greiss made his first postseason start since May 8, 2016, a 4-0 loss against the Tampa Bay Lightning in Game 5 of the second round.
Teams with a 3-1 lead are 284-29 (90.7 percent) winning a best-of-7 Stanley Cup Playoff series, including 6-0 in the first round this season.
Sean Couturier and Ivan Provorov scored for Philadelphia, the No. 1 seed in the East. Brian Elliott made 30 saves in his first start since Aug. 6, a 3-1 win against the Washington Capitals in the round-robin portion of the Stanley Cup Qualifiers.
Game 5 is in Toronto, the Eastern hub city, on Tuesday (7 p.m. ET; NBCSN, CBC, TVAS).
Nelson gave New York a 1-0 lead at 6:52 of the second with a wrist shot from the right circle after a turnover by defenseman Philippe Myers.
Couturier tied it 1-1 when he redirected Justin Braun‘s shot at 15:19 of the second period.
Greiss kept the game tied with a sprawling glove save on Jakub Voracek‘s rebound attempt with nine seconds remaining in the second.
Philadelphia had the final 12 shots on goal in the second period and outshot New York 17-3.
Nelson scored again when he finished a give-and-go with Josh Bailey at 11:12 of the third to make it 3-1.
Provorov scored on a long wrist shot with 1:04 remaining for the 3-2 final.
Elliott made 18 saves in the first period.
Flyers forward Oskar Lindblom took part in warmups but was scratched; he was diagnosed with Ewing’s sarcoma, a form of bone cancer, in December.