"You understand you desire to get your very first win throughout your very first video game, however it's a discovering experience," said Primeau, a seventh-round draft pick in 2017."I didn't see the nervousness that I saw in the very first duration of last game," said Claude Julien of his young backup."Especially in a structure like that, it was a great effort by us down by two objectives in the third," stated Sens defenceman Thomas Chabot. We kept putting pucks low, working their defencemen, taking out their speed, not enabling them to make plays in the zone entries."I didn't think our first duration was excellent even though we had shots," said Ottawa coach D.J. Smith.

Montreal's Nick Cousins commemorates his first-period objective .(Minas Panagiotakis/Getty Images)

Ottawa (13-17-2) overcame a two-goal deficit in the 3rd period after Nick Cousins and Tomas Tatar scored to offer Montreal a 2-0 lead.

It took Tkachuk six shots but he finally scored on Primeau, a power-play goal between the pads at 4:30 of the 3rd with Brendan Gallagher in the box for tripping.

Ryan Poehling, recalled from the Laval Rocket today, nearly offered Montreal a 3-1 lead but Nilsson rejected him on the doorstep with his stick flat on the ice.

Senators 'happy' of resiliency

The Senators connected the game three minutes after that. Tkachuk took the puck from defenceman Otto Leskinen and quickly fired on Primeau, with Connor Brown there to cash in the rebound at 13:05.

"Especially in a building like that, it was a good effort by us down by two goals in the third," stated Sens defenceman Thomas Chabot. "To fight back and get a point on the road, we're happy of that.

"We stuck to it, even down 2. We kept putting pucks low, working their defencemen, taking out their speed, not allowing them to make plays in the zone entries. That enabled us to come back in the game."

The Senators came out flying in the first duration and led 8-1 in shots however the Canadiens settled the game down and got on the board first.

Cousins gave Montreal a 1-0 lead at 13:36, on the power play, by deflecting a tough pass from Domi up and over Nilsson's shoulder.

After a scoreless 2nd, the Canadiens took a 2-0 lead 29 seconds into the third when Tatar's shot ricocheted off defenceman Mark Borowiecki and skipped over Nilsson.

"I didn't think our very first duration was great even though we had shots," said Ottawa coach D.J. Smith. "I didn't think we had enough feeling. Second and 3rd duration, we had fun with feeling."

Cayden Primeau did not have to wait very long for his first NHL victory.

Chiarot nets winner as Habs leading Sens in OT:

Montreal edges Ottawa 3-2 with Ben Chiarot's overtime winner. 1:40

Ben Chiarot scored the overtime winner at 1:11 on a 2-on-1 with Max Domi to give the Canadiens their 3rd win in a row and 4th in their last five.

Montreal (15-11-6) was playing the 2nd half of a back-to-back after beating Pittsburgh 4-1 Tuesday.

Primeau, the very best netminder in the NCAA last season, stopped all 12 shots he dealt with in the first period while dealing with consistent traffic in front of his net.

Primeau tested throughout

He was even busier in the second when Montreal's loose defensive play caused three odd-man hurries.

The six-foot-three goaltender denied winger Brady Tkachuk on a 3-on-1 midway through the frame, where Tkachuk opted to shoot rather of pass.

Primeau later stopped Jean-Gabriel Pageau on a short-handed 2-on-1 prior to annoying Tkachuk once again on another fast break 30 seconds later.

"I didn't see the uneasiness that I saw in the very first period of last game," stated Claude Julien of his young backup. "It was another action in the best direction for him. He was calm. He made some big conserves.

"I think he has a great future ahead of him."