Ovechkin, a two-time MVP who led the NHL with 32 goals this season, crashed the net to score on a power play about seven minutes into the second period to tie the game for the Capitals, the third-seeded team in the Eastern Conference.
Carl Hagelin had put sixth-seeded New York ahead 1-0 in the first period — the only puck that made it past Braden Holtby, who finished with 35 saves.
Game 2 of the best-of-seven series is Saturday in Washington.
I'm very excited about what happened today. We've worked on this deal with Toronto for a month, or over a month. It got a little bit of legs on draft day, but it really heated up last night, and we were able to complete the deal today.
— Penguins GM Jim Rutherford on Phil Kessel, who he acquired from the Maple Leafs in a trade on Wednesday