| UTR Pro Tennis Series California | 2021/12/03 16:22 | Shervin Dehmoubed v Stefan Leustian | 1-6,3-6 |
| UTR Pro Tennis Series California | 2021/12/02 22:45 | Ali Amiri v Stefan Leustian | 5-7,5-7 |
| UTR Pro Tennis Series California | 2021/12/01 22:59 | Matthew Sah v Stefan Leustian | 1-6,6-7 |
| UTR Pro Tennis Series California | 2021/11/29 20:30 | Masato Perera v Stefan Leustian | 6-3,4-6,1-6 |
| UTR Pro Tennis Series California | 2021/07/29 15:00 | Rohan Murali v Stefan Leustian | 1-6,7-6,6-1 |
| UTR Pro Tennis Series California | 2021/07/28 19:30 | Tristan Boyer v Stefan Leustian | 6-1,6-1 |
| UTR Pro Tennis Series California | 2021/07/27 21:00 | Kris Van Wyk v Stefan Leustian | 1-6,0-1 |
| UTR Pro Tennis Series California | 2021/07/26 16:30 | Stefan Leustian v Quinn Vandecasteele | 5-7,4-5 |
| UTR Pro Tennis Series California | 2021/12/03 17:30 | Giacomo Revelli v Riccardo Roberto | 4-6,6-0,7-5 |
| 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 | 2021/11/30 20:10 | Giacomo Revelli v Dane Esses | 6-3,5-3 |
| UTR Pro Tennis Series California | 2021/11/29 21:30 | Ethan Schiffman v Giacomo Revelli | 1-6,2-6 |
| 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 |