| UTR Pro Tennis Series California | 2021/12/01 16:00 | Ethan Schiffman v Dane Esses | 2-6,6-6 |
| UTR Pro Tennis Series California | 2021/11/30 18:53 | Ethan Schiffman v Riccardo Roberto | 6-3,5-4 |
| UTR Pro Tennis Series California | 2021/11/29 21:30 | Ethan Schiffman v Giacomo Revelli | 1-6,2-6 |
| UTR Pro Tennis Series California | 2021/11/13 16:00 | Alex Kuperstein v Ethan Schiffman | 6-0,6-2 |
| UTR Pro Tennis Series California | 2021/11/11 19:00 | Arthur Bellegy v Ethan Schiffman | 1-6,4-6 |
| UTR Pro Tennis Series California | 2021/11/10 16:00 | Ethan Schiffman v William Peters | 4-6,2-6 |
| UTR Pro Tennis Series California | 2021/11/08 17:30 | Ethan Schiffman v Jean Baptiste Badon | 6-3,5-0 |
| UTR Pro Tennis Series California | 2021/11/07 19:00 | Ethan Schiffman v Riccardo Roberto | 6-1,1-6,5-4 |
| UTR Pro Tennis Series California | 2021/12/01 19:00 | Giacomo Revelli v Ryan Seggerman | 6-3,3-6,6-4 |
| UTR Pro Tennis Series California | 2021/11/29 16:00 | Riccardo Roberto v Ryan Seggerman | 3-6,6-4,5-4 |
| UTR Pro Tennis Series California | 2021/11/19 17:30 | Ryan Seggerman v Patrick Zahraj | 2-6,4-5 |
| UTR Pro Tennis Series California | 2021/11/17 16:00 | Daniel Traxler v Ryan Seggerman | 4-6,3-5 |
| UTR Pro Tennis Series California | 2021/11/16 17:30 | Bryce Pereira v Ryan Seggerman | 5-7,4-5 |
| UTR Pro Tennis Series California | 2021/11/15 17:30 | Joseph Chen v Ryan Seggerman | 4-6,5-7 |
| UTR Pro Tennis Series California | 2021/11/13 17:30 | Patrick Zahraj v Ryan Seggerman | 7-5,6-1 |
| UTR Pro Tennis Series California | 2021/11/12 19:00 | Ryan Seggerman v Juan Carlos Aguilar | 7-6,6-3 |