Freshman Chesnie Cheung scored six goals to help Palo Alto beat Cupertino, 19-4, in the Santa Clara Athletic League Valley girls water polo tournament Friday night.
The Vikings (11-13) will play Fremont for fifth place Saturday at 4:30 p.m. at Gunn.
Sophie Frick added four goals while Talia Stanley, Sabrina Hall and Tyler Varrer each added a pair for Palo Alto.
Goalie Joanna Falla recorded 13 saves in Paly's 8-5 loss to Los Altos in Thursday's first round.
Top-seeded Los Gatos advanced to the tournament championship match at 7 p.m. by beating the Eagles, 14-11, in overtime.
The Wildcats play either Gunn or Mountain View in the title contest.