The Bruins, the third seed in the MassMutual East Division, present another huge challenge for Sorokin after they scored 16 goals in five games against the second-seeded Washington Capitals in the first round.
But after a 48-save performance in a 3-2 double overtime win against the top-seeded Penguins on Monday allowed the Islanders, the fourth seed, to wrap up the series at home two nights later, Sorokin's teammates said they have full confidence in the rookie should coach Barry Trotz continue to ride the hot hand.
Sorokin allowed nine goals on 159 shots against Pittsburgh.
"His poise and his athleticism to get across to make big saves, how quick he does it, is impressive," forward Jordan Eberle said. "It can't be easy coming over from Russia with the bigger rink, the angles are a lot different. But he seems to have settled in and he's just playing unbelievable."
Trotz said it didn't take long to see why there was so much hype surrounding Sorokin, who went 13-6-3 with a 2.17 GAA, a .918 save percentage and three shutouts in 22 games (21 starts) in the regular season as the backup to Varlamov.
"I will say this about Ilya, he is very calm," Trotz said. "Everybody loves him. He's one of those guys that is extremely low maintenance. I do know this: He tends to his own game. He tends to how we play, but he doesn't watch a lot of other games around the League.
"I think he's a very intelligent young man. He's got a smile on his face a lot, so you know that he's got a good sense of humor with the guys. But he's really relaxed. I think he's very confident in what he is as a goaltender and also as a person. He's a really low-maintenance guy."