"Just know the situation we're in," Blues defenseman Colton Parayko said. "We understand where we're at and we know what we have to do to win. We've done it last week, the last couple of weeks, and it's going to be a good couple tests against Chicago and then Colorado to finish it out. We know basically we're in a win-out situation, so it's going to be a good challenge for us and we're looking forward to it. I know it's tough to turn the page quickly, but that's what we have to do and make sure that we're ready."
WATCH: [All Capitals vs. Blues highlights]
Alex Ovechkin scored, Nicklas Backstrom had a goal and an assist, and Braden Holtby made 34 saves for the Capitals (48-25-7), who are 11-2-0 in their past 13 games and have clinched first place in the Metropolitan Division.
"We came off a huge win Sunday (against the Pittsburgh Penguins) and got a lot of confidence with that and we just kept going," Backstrom said.
Backstrom scored 51 seconds into the second period on the rebound of a Brett Connolly shot to tie it 1-1. Alex Chiasson scored on a breakaway off a stretch pass from Jakub Jerabek to make it 2-1 at 2:39.
Andre Burakovsky made it 3-1 at 7:54, putting the puck through his legs and skating around Blues defenseman Vince Dunn before beating Jake Allen glove side.
"They had a lot to play for and we're just trying to put our game together," Burakovsky said. "Obviously, we're not taking our foot off the gas. We're battling just as hard for every game and every point."