YORK — Lily Posternak scored three goals and Izzy Bretz had two assists as the York field hockey team beat Leavitt 4-0 in a Class B South semifinal on Monday.

York, the No. 1 seed, improves to 16-0 and will face No. 3 Yarmouth in the regional final on Wednesday. No. 4 Leavitt ends the season 11-5.

Sydney Bouchard opened the scoring off a rebound 6:19 into the game and Posternak scored from Bretz just over one minute later.

Posternak added two more goals in the second half to help the Wildcats pull away.

YARMOUTH 2, KENNEBUNK 1: Eliza Lunt scored the go-ahead goal off an assist from Abby McDowell with 4:07 left in the first half and the third-seeded Clippers (12-4) held on to edge the second-seeded Rams (12-4) in a Class B South semifinal at Kennebunk.

Yarmouth took the lead 14:15 into the game when Sophie McGrath scored on a corner from Gracie Griffin.

The Rams came back to tie the game seven minutes later on a goal by Christine Jarowicz.

GIRLS’ SOCCER

GRAY-NEW GLOUCESTER 10, MOUNTAIN VALLEY 1: Emma Woods scored three goals to lead the ninth-seeded Patriots (7-8) as they cruised past the eight-seeded Falcons (7-8) in a Class B South prelim at Rumford.

Bri Jordan and Laurel Thomas added two goals and one assist apiece for the Patriots, who advance to face top-seeded Yarmouth on Wednesday.

Gray-New Gloucester also got one goal and one assist apiece from Abby Michaud and Alexa Thayer.

FRYEBURG ACADEMY 2, OAK HILL 1: Fryeburg Academy (7-8-0) scored on an own goal in the second half to beat Oak Hill (9-4-2) in a Class B South prelim in Wales.

Oak Hill took the lead when Haley Lair scored off of an assist from Riley Swan in the 31st minute. Fryeburg evened the game later in the half on a breakaway goal from Sophie Trephol, and Madison McIntyre was credited with the goal when a ball deflected off of an Oak Hill player and into the net with five minutes to go.

BOYS’ SOCCER

SACOPEE VALLEY 3, MT. ABRAM 0: Macaleb Reinhard and Camden Bibro each had a goal and an assist for the eighth-seeded Hawks (7-6-2) in a win over the ninth-seeded Roadrunners (5-8-2) in a Class C South prelim at Hiram.

The Hawks led 1-0 at halftime behind a goal from Reinhard, who opened the scoring for the Hawks on an assist from Michael Murphy with 19:13 left in the first half.

Brad Spencer added to Sacopee Valley’s lead 8:36 into the second half on an assist from Bibro, who closed out the scoring with an assist from Reinhard with 17:55 remaining.

Cam Cyr made four saves to record the shutout for the Hawks.