WATERLOO -- Washington won five singles matches to clinch a 7-2 win over Waterloo Columbus that kept the Warriors undefeated.

Washington's Katie Hammond came from behind to win her No. 1 singles match in a tiebreaker. She lost the first set, then came back to win the second.

Kristin King, Lilly Hartman, Olivia Brooks and Lanie Sabin all won singles matches for the Warriors.

WASHINGTON 7, WATERLOO COLUMBUS 2

Singles
Katie Hammond (CRW) def. Lindsay McManus, 5-7, 7-5, 1(3)
Kristin King (CRW) def. Lindsay McGonegle, 6-0, 6-0
Lilly Hartman (CRW) def. Abby Greenwood, 6-1, 6-0
Olivia Brooks (CRW) def. Ashlee Sinnott, 6-2, 6-2
Lanie Sabin (CRW) def. Gabby Greco, 6-1, 3-6, 6-1
Kate Letkewicz (WC) def. Rina Moore, 6-3, 6-4

Doubles
McManus/McGonegle (WC) def. King/Brooks, 10-4
Hammond/Hartman (CRW) def. Sinnott/Letkewicz, 10-7
R. Moore/L. Sabin (CRW) def. Greenwood/Greco, 10-2