The Thomas A. Edison softball team will defend their Section IV Class C title on Saturday.
The second-seeded Spartans defeated third-seeded Greene 11-0 at home on Thursday in the Class C semifinals.
Bella Willsey threw a one-hitter and had 18 strikeouts for the Spartans.
The Spartans took a 2-0 lead in the first inning on an RBI groundout by Bella Willsey and a sacrifice fly by Christina Willsey.
Eighth-seeded Harpursville defeated fifth-seeded Tioga 9-7 in the other semfinal on Thursday and will play Thomas A. Edison in the Section IV Class C Championship on Saturday at BAGSAI Softball Complex in Binghamton.