Lukas Klemm’s hat-trick led by Don Bosco Prep, No. 2 in the NJ.com Top 20, past Mahwah, 9-0, at the Ice Vault Arena in the first round of the Bergen County Tournament.

Nick Milmore, Drew Hansen, Jack Noel, Matt Imbraino, Liam Heffernan and Ty Oller all found the back of the net for Don Bosco Prep (8-3-1).

Goalie Ethan Marich saved all 10 shots to earn the shutout against Mahwah (7-7-1).

Don Bosco Prep will take on Ramsey in the Bergen County Semifinals on Monday.