| UTR Pro Tennis Series California | 2021/12/02 20:00 | Shervin Dehmoubed v Masato Perera | 7-5,6-7,2-6 |
| UTR Pro Tennis Series California | 2021/12/01 17:08 | Amiri, Ali v Shervin Dehmoubed | 6-7,2-6 |
| UTR Pro Tennis Series California | 2021/11/30 17:30 | Patrick Zahraj v Shervin Dehmoubed | 0-0 |
| UTR Pro Tennis Series California | 2021/12/02 22:45 | Amiri, Ali v Leustian, Stefan | 5-7,5-7 |
| UTR Pro Tennis Series California | 2021/12/01 22:59 | Matthew Sah v Leustian, Stefan | 1-6,6-7 |
| UTR Pro Tennis Series California | 2021/11/29 20:30 | Masato Perera v Leustian, Stefan | 6-3,4-6,1-6 |
| UTR Pro Tennis Series California | 2021/07/29 15:00 | Rohan Murali v Leustian, Stefan | 1-6,7-6,6-1 |
| UTR Pro Tennis Series California | 2021/07/28 19:30 | Tristan Boyer v Leustian, Stefan | 6-1,6-1 |
| UTR Pro Tennis Series California | 2021/07/27 21:00 | Kris Van Wyk v Leustian, Stefan | 1-6,0-1 |
| UTR Pro Tennis Series California | 2021/07/26 16:30 | Leustian, Stefan v Quinn Vandecasteele | 5-7,4-5 |
| ITF M15 Cancun | 2020/02/19 14:00 | Leustian, Stefan v Spec, Matic | 5-7,5-7 |