Oak Park won a marathon in the opening game, as Brett Zeolla tallied in the fifth overtime to give the Eagles a 6-5 win over Chaminade. In the nightcap, top-seeded Palos Verdes had an easier time against Loyola, posting a 14-6 victory over the Cubs.

The Eagles and the Sea Kings do battle Wednesday at 7 p.m. at Mira Costa, with the winner facing Orange County champion Foothill Friday at 7 p.m. at Trabuco Hills.