Lauren Kersch threw a perfect game as Ballston Spa shut out Scotia-Glenville 13-0 in the Section II Class A semifinals at Schalmont High School on Thursday.
Kersch struck out 15 in six innings. The other three outs came on pop-ups to second baseman Ali Sgambati and a pop-up to right fielder Katelyn Hilko.
Sgambati hit two home runs for the Scotties, including a two-run shot in the bottom of the sixth to give Ballston Spa a 13-0 lead and end the game on the mercy rule.
Ana Gold also hit a home run for Ballston Spa while going 4-for-4 with a double and two singles.
Angelina Stile and Caroline Srokowski each had a double.
Ballston Spa will face South Glens Falls for the championship 5 p.m. Tuesday at the Luther Forest Athletic Fields.
The Bulldogs got past Troy 8-5, as Kasen Lemay hit a home run and a single for three RBIs and scored three runs for the South High.
Emily Beames hit a double for South High, and Jadin Swartz had two RBIs.
Amaya George had a double and three RBIs for Troy, Madison Rifenberik hit a double and Melissa Mannix drove in two runs.
In Class C semifinals, Lake George scored three runs in the bottom of the seventh inning to pull out a 5-4 victory over Greenwich.
Ava Pushor delivered the game-winning hit for Lake George (18-3) on a single up the middle that allowed Rebecca Jaeger to score from second.
Greenwich finished the season at 15-7.
Lake George will play Chatham for the championship at 5 p.m. Tuesday at Moreau Rec, after Chatham shut out Hoosic Valley 4-0 on a five hitter by Jenna Skype, who had eight strikeouts.
In Class D semifinals, Whitehall defeated Germantown 11-0, and Fort Ann blanked Salem 3-0.
BALLSTON SPA 13, SCOTIA-GLENVILLE 0
S-G 000 000 — 0 0 2
Ballston Spa 002 029 — 13 14 0
SOUTH GLENS FALLS 8, TROY 5
Troy 005 000 0 — 5 6 4
SGF 015 011 x — 8 8 0