Washington Capitals pulled off the upset to defeat Colorado Avalanche. Washington Capitals entered the game as the underdog, with a 45% chance to win before the game started.
From the outset, Washington Capitals refused to go away, chipping away at Colorado Avalanche's lead until Washington Capitals took their first lead at the very end of the game. Colorado Avalanche never recovered after losing the lead, and by the time the game ended, Washington Capitals had earned the upset.