At Lincoln on Monday, Chase Vicaire, Andrew MacEachern and Trysten Pelkey combined on a five-hit shutout as the Lynx beat the Shiretowners.
Vicaire allowed one hit and struck out three over the first three innings, while MacEachern and Pelkey each gave up two hits in two innings.
Pelkey hit a runs-scoring single in the third inning to pace the offense for Mattanawcook Academy.
Daniel Howe, Gage Hunt, Douglas Dickison and Alex Donovan posted singles to lead Houlton. Hunter Hanning and Howe combined to give up only five hits for the Shires.