OTTAWA - Jonathan Toews scored 42 seconds into overtime and assisted on Chicago's two other goals, as the Blackhawks rallied to beat Ottawa Senators 3-2 on Tuesday night.
A pair of goals by Dominik Kubalik tied the score at 2-all early in the third after the Blackhawks trailed 2-0 early. Kubalik has seven goals this season.
Robin Lehner stopped 20 shots for Chicago, which was playing its first of a three games in eastern Canada.
Connor Brown and Chris Tierney scored first-period goals for the Senators. Rookie goaltender Marcus Hogberg started in net for the third straight game and made 27 saves.
Ottawa has just one regulation win in its last 14 games (3-5-6). The Senators are winless in their past eight (0-4-4).
Ottawa sped to an early lead. Brown scored 3:33 into the game, banging home a rebound of a shot by Dylan DeMelo.
Tierney gave the Senators a 2-0 lead less than four minutes later, scoring his seventh of the season by tipping in a pass from Thomas Chabot.
With time running out in the second, Kubalik cut the Senators' lead in half, deflecting a shot by Patrick Kane shot and beating Hogberg.
Kubalik then beat Ron Hainsey in a foot race 3:41 into the third and scored through Hogberg's pads for his 18th of the season.
Lehner made an impressive two-pad save on Anthony Duclair to keep the game close early in the second. That seemed to spark the Blackhawks.
NOTES: Nikita Zaitsev was back in Ottawa's lineup for the first time since suffering an undisclosed injury Dec. 14. The Senators announced Nick Paul would likely miss a month due to a high ankle sprain. ... Tuesday's game marked the return of Zack Smith, who was traded to Chicago for Artem Anisimov in the off-season. Smith's 612 career games with Ottawa ranks ninth in franchise history. Smith has two goals and nine points through 39 games, while Anisomov has eight goals and 10 points in 27 games with the Senators.
Blackhawks: At Montreal Canadiens on Wednesday.
Senators: Host Vegas Golden Knights on Thursday.