SAN JOSE -- The New York Islanders extended their point streak to 17 games, but Logan Couture scored at 2:30 of overtime in a 2-1 loss to the San Jose Sharks at SAP Center on Saturday.
Casey Cizikas scored, and Semyon Varlamov made 24 saves for New York (16-3-2), which is 15-0-2 during its streak, a team record. The Islanders, who went 0-for-6 on the power play, had won five in a row.
"That's NHL hockey sometimes," New York coach Barry Trotz said. "I thought the first five minutes, they came at us pretty hard, and obviously they got some momentum off their power play and all that. I thought we settled in, and the rest of the game I thought we played pretty well. Their penalty kill was real good tonight, the goaltending was good, and it came down to one play."
[WATCH: All Islanders vs. Sharks highlights]
Martin Jones made 27 saves, and Marcus Sorensen also scored for San Jose (12-11-1), which was without Tomas Hertl (lower body) and Melker Karlsson (upper body).
"I'm real proud of our effort," Sharks coach Peter DeBoer said. "We could've been smarter and not taken as many penalties. But we found a way, and [that's] been kind of the story lately. We've been dealing with some injuries, and some depth issues. We didn't help ourselves by getting in the box, but we still found a way and I thought it was a pretty gutsy effort."
Video: NYI@SJS: Sorensen converts Couture's pass in tight
Couture won it when he one-timed Evander Kane's feed in the right circle for his fifth goal of the season. Couture also scored in overtime in the Sharks' 2-1 win at the Vegas Golden Knights on Thursday.
The goal extended Couture's point streak Couture to six games (three goals, seven assists).
"Those are two plays where I'm just kind of in the right place at the right time," he said.
New York had one shot on goal through their first three power plays, and 10 over the next three. San Jose has the top penalty kill in the NHL (42-for-44, 95.9 percent).
"They're No. 1 in the League for a reason; they put a lot of heat on you," Trotz said. "They take away a lot of your options, they put you in small spaces and jump you, and you've got to make some plays. I thought we adjusted as the game went on. We kept adjusting in doing things and we were getting a little more zone time and some looks, but we didn't find the back of the net.
"But I liked the fact that we were skating, we were drawing penalties. Because we were skating, they had to haul us down. As I said, it comes down to a play."
Sorensen finished a 2-on-1 by redirecting Mario Ferraro's pass to give the Sharks a 1-0 lead at 6:38 of the second period.
"It was a great pass by Mario," Sorensen said.
The Islanders tied the game 27 seconds later when Casey Cizikas deflected Adam Pelech's shot to make it 1-1 at 7:05. DeBoer challenged for goalie interference, but the call stood.
"We didn't really give them much," Cizikas said. "A lot of their chances were getting point shots that got through, and they were just trying to get on the rebound. I thought our defense did a great job. We had opportunities, but we just couldn't cash them in on this case."
New York outshot San Jose 11-5 in the third period.
"I wish we had a couple more scores, but once you get to overtime, you know it's insane," Pelech said. "[It's] anybody's game, and we deserved a better result."
Video: Logan Couture scores his fourth career overtime goal.
They said it
"We put a pretty good 60 minutes together, and they just got an extra chance that they converted on. We get one [point] out of it; obviously you're always going for two. But all in all, I thought [Varlamov] stood on his head quite a bit, but we had chances to win the game." -- Islanders captain Anders Lee
"It was an emotional win in Vegas. Coming back, this is a tough game; some people would call it a 'trap game.' But we're playing the hottest team in the League, so I thought that got us engaged right off the bat. [Jones] made some big saves when he needed to." -- Sharks coach Peter DeBoer
Need to know
Islanders forward Anthony Beauvillier's four-game goal streak ended, as well as five-game point streaks for forwards Derick Brassard and Brock Nelson. … With Hertl and Karlsson out, the Sharks played 11 forwards and seven defensemen. … San Jose tied an NHL record by winning its 43rd straight game when allowing two or fewer goals (7-0-0 this season), dating to March 20, 2018. The Pittsburgh Penguins initially set the record from Feb. 21, 2012-Oct. 17, 2013.
Islanders: At the Anaheim Ducks on Monday (10 p.m. ET; PRIME, MSG+, NHL.TV)
Sharks: At the Los Angeles Kings on Monday (10:30 p.m. SN; FS-W, NBCSCA, NHL.TV)
Video: Couture buries overtime winner to secure 2-1 victory