PORTLAND — The New Hampshire Fisher Cats (26- 27) scored three runs in the 11th inning to beat the Portland Sea Dogs (28-22), 6-3 on Tuesday night at Hadlock Field in front of 3,322 Eastern League fans.

Adam Loewen delivered the game-winning hit, blasting a solo-homer on the first pitch in the 11th off losing pitcher Keith Couch (3-2). After a walk to Kevin Ahrens, Kevin Pillar nailed a run-scoring triple and scored on a single by Kevin Nolan.

Randy Boone (1-0) tossed three hitless innings and earned the win for the ’Cats. Couch gave up three runs on three hits over two innings.

Portland pitchers had retired 16 straight before Loewen’s blast in the 11th.

Joel Carreno tossed a scoreless 11th to secure his seventh save in eight chances.

Matt Barnes took his fourth straight no-decision. Barnes earned a quality start, tossing six innings on four hits, three runs, one walk and four strikeouts.

Portland scored early in the game off starter Sean Nolin, taking a 2-0 lead after three. In the second, Michael Almanzar singled and scored on a ground out by Christian Vazquez. Shannon Wilkerson lined a run-scoring single in the third, scoring Derrik Gibson, who led off the frame with a single.

The Fisher Cats took a 3-2 lead with a pair of twoout runs in the fifth. Ahrens smacked a two-run triple.

Portland tied the game in the seventh. Wilkerson nailed a double and scored on Bogaerts’ run-scoring single.

Miguel Celestino worked two perfect innings of relief, his best outing in Double-A. Lefty Rafael Perez retired all three batters in the ninth.