No. 4 Guilderland advanced to the Section II Class A boys lacrosse semifinals with Tuesday’s 9-6 win over No. 5 Saratoga Springs. The Dutchmen scored five goals in the third quarter on their way to the quarterfinal win and a date with top-seeded Shenendehowa in Thursday’s semifinals. Brad Johnston had a hat trick, while Stephen Polsinelli and Cody Dyer each added a pair of goals for Guilderland. Goaltender Ryan Rafferty made 15 saves. Trevor Honis tallied twice for Saratoga.