In boys' 12 singles, Bjorn Hoffmann of Newport Beach lost to Zu Zinyang Tan, 6-0, 6-0, in round of 16 match.
In girls' 16 singles, No. 8 seed Morgan McVey of Newport Beach beat Sabine Ludwig of Capistrano Beach, 6-0, 6-0, to advance to today's quarterfinals. She will paly against No. 4-seeded Naomi Bharath of Laguna Niguel at 12:30 p.m.
Newport Beach resident Olivia Dajee lost to No. 6-seeded Camille Deleon of La Mirada, 6-1, 6-4, in a round of 16 match.