Waterford — The No. 1 duo of Sophia Sit and Hazel Siu won their match in straight sets to lead a doubles sweep, as the Waterford High School girls’ tennis team defeated Ledyard 5-2 on Monday.

Sarah Hage and Tori Campisi posted singles victories at No. 1 and No. 4, respectively, for the Lancers, who improved to 11-2.

Maple Siu and Brianne Kilcomons and Madi Gamble and Grace Stilphen also won their doubles matches. Waterford, which is 3-1 in Eastern Connecticut Conference Division I, will take on first-place Stonington (5-0) in a key match Tuesday in Stonington.

Cassie Rice and Sarah Banach earned singles wins for Ledyard (8-5).

In other matches:

• Grace Duggan, Marcella Hamm, Marina Lewandowski and Misha Lewandowski won singles matches as Stonington blanked Woodstock Academy 7-0. The Bears are 13-0.

• Anna Beauchene, Allie Kondash, Jess Hochdorfer and Kelly Chen picked up singles wins, leading Montville past Windham/Windham Tech 4-3 in Division III. The Wolves are 6-9, 5-2.

• Sarah Manzione, Blake Murray, Meri Kimbolli and Zhuning Gao won their singles matches in straight sets in St. Bernard’s 6-1 win over New London in Division III. The Saints improved to 10-2, 7-0. The No. 3 doubles duo of Addison Hurd and Michaella Skyers won their match for the Whalers (2-12, 0-7).

• Fitch swept Norwich Free Academy 7-0, receiving singles wins from Julia Mielguj, Charlotte Beaulieu, Maddie Beaulieu and Fiza Shariff. The Falcons are 7-4, the Wildcats 3-9.

• Valentina Schiano, Isabella Villarreal and Avni Kabra posted straight set wins in singles, as East Lyme defeated Killingly 6-1. The Vikings are 7-5.

Boys

• Danny Zhong won his No. 2 singles match in straight sets in Montville’s 4-2 loss to Morgan. Jack Bowman and Ryan Hochdorfer earned a victory at No. 1 doubles for the Wolves (11-6).

• No. 2 singles player Malloch Allison scored the only point for Ledyard in a 6-1 loss to Westbrook. The Colonels fell to 9-6.