The Sharks lead the St. Louis Blues 2-1 in the best-of-7 Western Conference Final, having won Games 1 and 3. Game 4 is at Enterprise Center on Friday (8 p.m. ET; NBCSN, CBC, TVAS).
In the Western Conference Second Round, they alternated victories with the Colorado Avalanche, winning Games 1, 3, 5 and 7 to advance.
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Through three games of the conference final, San Jose was victorious in Games 1 and 3.
"You know, the obvious answer is parity and how evenly matched, I think, the teams are," Sharks coach Peter DeBoer said Thursday. "In every series that we've played so far, I've felt there was very little difference, talent level, on-ice, between the two teams.
"And I think that desperation level that decides games every night, it's hard to replicate that, unless you're facing going down by two or facing an elimination game. We're all trying to do that, but it's a fine line and I think it's just evenly matched teams."
The Sharks have won consecutive games in the playoffs. After falling behind 3-1 to the Vegas Golden Knights in the first round, they won three straight to advance.
They had a fourth straight win, defeating the Avalanche 5-2 in Game 1 of the second round. San Jose also won two straight with a 3-2 victory against the Avalanche in Game 7 and a 6-3 win against the Blues in Game 1.
"I wish I knew the answer," said Sharks center Logan Couture, whose game-tying goal at 18:59 of the third period in Game 3 was his 14th goal of the playoffs. "We've struggled to be consistent. We've struggled to play our game at times. I thought last night wasn't our best effort. I thought they played better than us and carried the play for a lot of that game. Without [goalie Martin Jones] in the third period, we don't have a chance to win. We got bailed out by some big-time saves and some lucky breaks at the end."