Semyon Varlamov stops 40 shots and New York hangs on to take a 3-2 series lead over Boston.

David Pastrnak hit the post while shooting on a wide-open net, and the Islanders took advantage to tie the series with a 4-1 win.

Matthew Barzal breaks a tie with 6:57 remaining and the Islanders add two empty-net goals to tie the series at two games apiece.

Carlo suffered a head injury in Boston’s 2-1 overtime in over New York on Thursday.

Boston regains the upper hand in the East Division finals with a 2-1 victory.

Boston forward Craig left Game 1 and missed Game 2 with a lower-body injury, but is back at practice and could be ready to play Thursday.

Boston defenseman Jeremy Lauzon was a part of three big plays in Monday’s 4-3 overtime loss to the Islanders, including one he’d like to forget.

Boston scores twice in the third period to force overtime, but a turnover in OT gives Casey Cizikas a breakaway and he converts to give the Islanders a 4-3 win and tie the series, 1-1.

After slumping late in the regular season and early in the playoffs, David Pastrnak has five goals in his last three games, including three in a 5-2 win Saturday against the Islanders.