Casey Cizikas scored on a breakaway in overtime and Semyon Varlamov returned to the net to make 39 saves to lead the New York Islanders to a 4-3 victory over the Boston Bruins.
The Boston Bruins beat the Washington Capitals 3-1 in five games and advance in the playoffs. David Pastrnak scored a highlight-reel goal and captain Patrice Bergeron scored twice.
Craig Smith scored 5:48 into the second overtime to give the Boston Bruins a 3-2 victory over the Washington Capitals and a 2-1 lead in their East Division first-round playoff series.
Brad Marchand scored 39 seconds into overtime and the Boston Bruins rallied to beat the Washington Capitals 4-3 and even the East Division first-round series at a game apiece.
David Pastrnak had a hat trick as the Boston Bruins took control with three second-period goals, beating the Philadelphia Flyers 7-3 on the shore of Lake Tahoe.
The Tampa Bay Lightning, Boston Bruins and Colorado Avalanche have advanced to the second round of the Stanley Cup playoffs by earning Game 5 victories.
Tuukka Rask made 25 saves for his third shutout this season and the Bruins extended their winning streak to four games with a 4-0 victory over the Canucks.
NHL teams are realizing that a backup goaltender is an important position these days. With back-to-backs and travel, the starter needs a rest or gets injured.
Rask made 28 saves, Marchand had a goal and an assist, and the Bruins beat the St. Louis Blues 5-1 to even the bruising, physical final at three games apiece.