Menlo School can claim the Atherton girls' tennis city title after dispatching visiting Menlo-Atherton, 6-1, in a nonleague match Wednesday.
The Knights (12-5) beat Sacred Heart Prep in a league match on Tuesday before knocking off the PAL Bay Division leaders.
Menlo begins the second round of West Bay Athletic League play on Thursday against Crystal Springs Uplands.
Menlo's No. 1 doubles team of Vivian Liu and Brynn Brady led the way with a 6-0, 6-0 victory. Penn Penfold-Patterson and Emily Han, at No. 3 doubles, needed a tiebreaker to get past M-A's Dana Lau and Laura Kirk, 6-3, 7-6 (9-7).
MaryGrace Waller won at No. 4 singles to give the Bears their lone point. She beat SHP's Lindsey Canessa, 6-3, 6-3. M-A hosts Aragon in a PAL match Thursday at 4 p.m.
Menlo's Addie Ahlstrom, Lindsey Ball and Tricia Zhang all won their singles matches and C.C. Golub and Elisabeth Westermann won at No. 2 doubles.
Lexi Stull recorded 16 kills and 22 digs but Castilleja fell to host Crystal Springs Uplands, 25-14, 21-25, 25-19, 25-14, in a West Bay Athletic League Skyline Division match on Wednesday.
Sarah Ranzetta added nine kills for the Gators (6-3 in the WBAL), who host Priory at 5:30 p.m. Thursday. Suzzy Wang added 25 digs and four aces while Eveliena Pasmooij had seven kills and 10 digs.
Pinewood hosts division leader Notre Dame San Jose at 5:45 p.m. Thursday.
Mercy Burlingame evened its WBAL record at 6-6 with a victory over Notre Dame Belmont, 233 to 284 at Crystal Springs Golf Course on Wednesday.
Mercy's Brooke Barron led the Crusaders with a round of 40. Maya Zeidan shot a 43 and Anais Ko came in at 47.
Low scorers for Notre Dame Belmont were medalist Avani Tumulun (39) and Elizabeth Mendoza (50).
Castilleja beat host Notre Dame Belmont, 228-238, at San Jose Muni in another match Wednesday.