| Round of 16 |  | | 1 | Lauren Helbert (1) | Poway, CA |  | | | 2 | Bye | | | | 3 | Bye | | | | | 4 | Bye | | | | 5 | Julie Wright | Temecula, CA | | | | 6 | Bye | | | | 7 | Kimchi Nguyen | San Diego, CA | | | | 8 | Karleyne Ishima-Oien | Carlsbad, CA | | | 9 | Jordyn Bounds | Santee, CA | | | | 10 | Liliana Serylo | Oceanside, CA | | | 11 | Bye | | | | | 12 | Joan Maramba | San Marcos, CA | | | 13 | Bye | | | | | 14 | Netanya Mullen | Del Mar, CA | | | 15 | Bye | | | | | 16 | Diane Ji | San Diego, CA | | | | Quarterfinals | | | L. Helbert (1) | | | | | | Bye | | | | | J. Wright | | | | | | K. Ishima-Oien | | | 6-0; 6-0 | | J. Bounds | | | | Def (ad) | | J. Maramba | | | | | N. Mullen | | | | | | D. Ji | | | | | | Semifinals | | | L. Helbert (1) | | | | | | K. Ishima-Oien | | | 6-0; 6-0 | | J. Bounds | | | | 6-0; 6-0 | | D. Ji | | | Def (ad) | | | Finals | | | K. Ishima-Oien | | | | 6-0; 6-1 | | D. Ji | | | 3-6; 7-5; 6-3 | | D. Ji | | | 6-2Ret (ill) | |
