Ryan Brake scored 16 points to lead the host club Cougars to a 57-18 decision over Humber Elementary.
Parker Salyzyn netted a dozen points in the losing cause.
In the only other game on opening day, the combined force of St. Gerard’s and Immaculate Heart of Mary downed Sacred Heart 36-27.
Aria Kezarouni’s 15 points paced the attack for the victors.
Lucas Pittman did all he could in the loss, scoring a game-high 18 points.
Tournament action resumes 3:30 p.m. today with Pasadena tangling with Elwood.