| 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 | 2021/09/02 16:30 | Ethan Schiffman v Jacob Bullard | 4-6,0-5 |
| UTR Pro Tennis Series California | 2021/09/01 21:00 | Errol Smith v Ethan Schiffman | 4-6,6-1,5-4 |
| UTR Pro Tennis Series California | 2021/08/31 16:30 | Wyatt DeMulling v Ethan Schiffman | 3-6,3-5 |
| ITF M25 Calabasas | 2021/10/27 18:25 | Kyle Kang v Giacomo Revelli | 6-4,7-5 |
| ITF M25 Calabasas | 2021/10/26 22:10 | Masato Perera v Giacomo Revelli | 6-2,3-6,4-10 |
| ITF M25 Calabasas | 2021/10/26 17:00 | Giacomo Revelli v Joe Tyler | 4-6,6-1,10-5 |
| UTR Pro Tennis Series California | 2021/10/17 16:30 | Giacomo Revelli v Karl Lee | 7-5,4-2 |
| UTR Pro Tennis Series California | 2021/10/16 16:30 | Giacomo Revelli v Isaac Becroft | 6-3,7-6 |
| UTR Pro Tennis Series California | 2021/10/15 16:30 | Giacomo Revelli v Rohan Murali | 6-3,6-3 |
| UTR Pro Tennis Series California | 2021/10/13 16:30 | Giacomo Revelli v William Peters | 0-6,3-6 |
| UTR Pro Tennis Series California | 2021/10/12 21:00 | Giacomo Revelli v Alessandro-D Ventre | 6-4,2-6,7-6 |