At Waterville, Mikayla Michonski recorded four goals to lead top-seeded Skowhegan to the Eastern Maine Class A semifinal victory over Mount Ararat.
Skowhegan, now 16-0, will play No. 2 Messalonskee (14-2) for the EM title on Tuesday at Hampden. Messalonskee of Oakland advanced with a 6-0 victory over Lawrence of Fairfield.
Fourth-ranked Mount Ararat of Topsham finished at 11-5.