| UTR Pro Tennis Series California Women | 2021/08/27 18:00 | Toni Nelson v Katherine Hui | 6-4,6-3 |
| UTR Pro Tennis Series California Women | 2021/08/25 23:00 | Krisha Mahendran v Katherine Hui | 1-6,6-4,3-6 |
| UTR Pro Tennis Series California Women | 2021/08/23 19:30 | Maya Pitts v Katherine Hui | 6-0,5-3 |