Serra Catholic won 12 games in 2011-12, but fell short in three of its first four games this season.
Since then, however, Serra (5-3-0) has gone on a four-game winning streak. All four wins were by one goal, including a 7-6 overtime victory Tuesday against Deer Lakes.
Roman Kraemer had the game-winner Tuesday, scoring 1:52 into the extra period. It was his third goal of the game and sixth during the winning streak.