The Sea Kings' top team, the No. 1 seed in the tourney's top division, beat St. Francis, 5-2, and Davis, 7-0.
Lynda Xepoleas won twice, dropping just two games in four sets.
CdM will play against Menlo in today's semifinals at Buchanan.
Newport Harbor 11,
IRVINE – Megan Bathen and Mindy Wheeler swept at No. 2 doubles for the Sailors in their nonleague win Friday.
Alex Aiello and Riley Mathies won twice at No. 3 doubles for Newport Harbor (2-0). The Sailors' No. 2 singles player, Natalie Cernius, beat Northwood's No. 1, Courtney Pattugalan, 6-4.
Newport Harbor plays host to Sage Hill Tuesday at 3 p.m.
NEWPORT BEACH – Sage Hill's Kimberly Brown swept at No. 1 singles to help lead the Lightning to a 15-3 win over top-seeded Cerritos Friday at The Tennis Club Newport Beach.
Devyn Billingsley and Lauren Hsu swept at No. 2 doubles for Sage, which will face Tesoro today at 11 a.m., then against Santa Ynez at 3 p.m.
BOYS' WATER POLO
Costa Mesa 15,
La Quinta 14 (OT)
SANTA ANA — Brian Lozano scored the game-winning power-play goal with just over a minute left in the second overtime period, as the Mustangs won their season opener Thursday at Saddleback High.
Lozano, the team's only senior, is a first-year player.
James Lewis scored nine goals, and Wyatt Ferris had two goals, four assists and seven steals for Mesa. Jamie Sacco had a pair of goals and also earned the La Quinta ejection that led to Lozano's goal.
Quinn Stone also scored for the Mustangs and Mitchell Grandia had 13 saves.