Vassar College sophomore Erin McCusker won four matches through play on Sunday at the ITA Northeast Regional, reaching the semifinal round of the singles draw. On Saturday, McCusker posted a 6-2, 6-4 victory over an opponent from NYU in her first singles match before closing day one with a outlasting her opponent from TCNJ 3-6, 7-6 (2), 10-6. On Sunday, McCusker reached the final four of the singles draw with a 6-4, 6-4 win over Grace Truong from Skidmore and a 7-5, 6-2 triumph over Angelica Aksdal-Jansen from St. Lawrence. The championship concludes Monday.