| Quarterfinals |  | | 1 | Kajal Tiwary (1) | Mercer Island, WA |  | | | 2 | Adriene Caba | Lake Oswego, OR | | | 3 | Diana Guo | Sammamish, WA | | | | 4 | Sarah Morgan | Kennewick, WA | | | 5 | Sophie Roben | Edmonds, WA | | | | 6 | Haley Strandberg | Renton, WA | | | 7 | Kyana Esber | Kent, WA | | | | 8 | Courtney Hebard (2) | Issaquah, WA | | | | Semifinals | | | K. Tiwary (1) | | | | 6-2; 6-1 | | D. Guo | | | Def (ns) | | S. Roben | | | | 6-4; 6-1 | | C. Hebard (2) | | | 6-2; 7-5 | | | Finals | | | D. Guo | | | | 6-1; 6-0 | | D. Guo | | | 7-5; 3-6; 1-0 | | S. Roben | | | 3-6; 6-2; 1-0 | |
