Tkachuk, who leads the Senators with 29 goals and has 55 points in 71 games, has missed eight games with an upper-body injury after taking a from Pittsburgh Penguins defenseman Ryan Graves on March 30. The forward is focused on getting quality reps Thursday ahead of the Stanley Cup Playoffs, specifically with puck battles and on the power play.

It's the first Battle of Ontario playoff series since 2004, with the Maple Leafs having beaten Ottawa the other four times they've met in the postseason, but the Senators entering this series having swept Toronto in their regular-season matchups.