OTTAWA, Ontario — Paul Byron and Alexander Radulov scored in the shootout to give the Montreal Canadiens a 4-3 victory over the Ottawa Senators on Saturday night in the first half of the teams’ home-and-home series.

Andrew Shaw, Philip Danault and Brendan Gallagher scored in regulation for Montreal, and Carey Price finished with 28 saves.

Ottawa could have overtaken Montreal for first place in the Atlantic Division with a regulation win, but instead Montreal extended its lead over the Senators to two points.

Derick Brassard, Ryan Dzingel and Erik Karlsson scored for Ottawa. Craig Anderson, who had missed the past two games with a lower-body injury, stopped 29 shots.

The teams meet again Sunday at Montreal.

BLACKHAWKS 2, MAPLE LEAFS 1: Ryan Hartman scored with 17 seconds left in overtime to lead the Chicago to a win at Toronto.

John Hayden notched his first NHL goal, and Corey Crawford stopped 25 shots for the Blackhawks, who won their fourth straight.

Auston Matthews had a goal to snap a seven-game drought, while Frederik Andersen made 37 saves for the Maple Leafs.

BLUE JACKETS 3, ISLANDERS 2: Cam Atkinson scored 1 minute, 19 seconds into overtime to lift Columbus to a victory at New York.

Oliver Bjorkstrand and Josh Anderson scored 14 minutes, 48 seconds apart in the second period, helping the Blue Jackets win for the seventh time in March.

Travis Hamonic and John Tavares scored for New York, which dropped its fourth in five games.

CAPITALS 5, LIGHTNING 3: T.J Oshie had three goals and an assist, Justin Williams and John Carlson had early third-period goals, and the Washington clinched a playoff spot with a win at Tampa, Florida.

Washington also got four assists from Nicklas Backstrom, and Braden Holtby stopped 26 shots.

Nikita Kucherov had two goals, and Alex Killorn had the other goal for the Lightning.

RANGERS 3, WILD 2: Oscar Lindberg had a goal and an assist, Antti Raanta made 25 saves and the Rangers held on at St. Paul, Minnesota.

Brady Skjei and Jimmy Vesey also scored for the Rangers, who are 7-1 in their last eight road games and have a league-high 26 victories away from home this season.

Eric Staal and Matt Dumba scored for the Wild, who lost for the seventh time in their last nine games.

HURRICANES 4, PREDATORS 2: Jeff Skinner scored in each of the first two periods for host Carolina.

Jordan Staal added a goal and an assist while Jaccob Slavin had two assists for Carolina, which snapped Nashville’s three-game win streak.

RED WINGS 5, AVALANCHE 1: Tomas Tatar scored twice, including the go-ahead goal early in the third period that sent Detroit past visiting Colorado.