William Smith College first-year player Maggie Bonomo helped the Herons defeat Ithaca on Friday and advance to the semifinals. In doubles play Bonomo and doubles partner Dina Rigas defeated Kathryn Shaffer and Caroline Dunn 8-7 (9-7) in first doubles to give the Herons a 3-0 lead. In singles play Bonomo defeated Caroline Dunn 6-0, 6-1 in the second spot.