The Pittsburgh Penguins defeated the Washington Capitals 2-1 on Sunday, ending the longest losing streak in franchise history.
The Penguins will now travel to Philadelphia for the final regular-season game of the season.
After losing the first two games of the series in Philadelphia, the Penguins won the first three in Pittsburgh and took a 4-3 lead into the fourth.
The Capitals made it 3-1 at the 5:15 mark of the first period, but Washington scored four unanswered goals.
The Capitals got the puck back at 4:29, but Sidney Crosby scored the only goal of the period.
The Caps, who won 4-1 against the Flyers in the second round, took the lead in the final minute of the second period when Matt Niskanen scored his first goal of his career to tie the game.
The first power play of the night from Alex Ovechkin netted the Capitals a 2-2 lead at the 1:07 mark of overtime.
The Penguins took a 2:31 lead into extra time when Crosby scored on a one-timer from the left circle to tie it at 2.
The Pens scored the next three goals in a 4:41 span of power play time to win 3-2.
The Flyers scored the game-winning goal in the third period with the assist of Ovecky.
In the final seconds of the game, Crosby was assessed a minor penalty for cross-checking Capitals defenseman Alexei Emelin.
The game was stopped after an interference call by the officials.