The top-seeded Wildcats (12-3-1) converted two penalty corners in the second half to beat the fourth-seeded Lakers (10-6) in a Class B South semifinal at York.

Bailey Oliver broke the scoreless deadlock early in the second half, redirecting a shot by Emily Patry past goalie Kelsey Gerry.

Patry made it 2-0 with 10:36 remaining, scoring off a pass from Oliver.

York, seeking its sixth straight regional title, will play No. 3 Freeport on Tuesday at Biddeford’s Waterhouse Field.