| UTR Pro Tennis Series California | 2021/12/02 20:00 | Ethan Schiffman v Ryan Seggerman | 2-6,2-6 |
| 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 | 2021/12/03 17:30 | Matthew Sah v Masato Perera | 2-6,2-6 |
| UTR Pro Tennis Series California | 2021/12/01 22:59 | Matthew Sah v Stefan Leustian | 1-6,6-7 |