| ITF M15 Cancun | 2021/10/18 15:00 | Luis Britto v Adrian Contreras | 6-2,6-3 |
| ITF M15 Cancun | 2021/10/12 15:30 | Luciano Doria v Adrian Contreras | 6-1,6-1 |
| ITF M15 Cancun | 2021/10/11 18:00 | Adrian Contreras v Benjamin L Ambrosio | 3-6,6-0,10-2 |
| ITF M15 Cancun | 2021/09/27 14:30 | Adrian Contreras v Federico Agustin Gomez | 1-6,2-6 |
| ITF M15 Cancun | 2021/09/21 14:00 | Adrian Contreras v Jesse Flores | 2-6,3-6 |
| UTR Pro Tennis Series Sofia | 2021/09/01 08:00 | Christos Keisidis v Mario Radev | 6-1,4-6,6-4 |
| UTR Pro Tennis Series Sofia | 2021/08/31 08:00 | Denislav Prodanov v Mario Radev | 6-1,1-6,6-3 |
| UTR Pro Tennis Series Sofia | 2021/08/30 10:45 | Mario Radev v Josh Sheehy | 1-6,2-6 |
| UTR Pro Tennis Series Sofia | 2021/08/29 12:00 | George Lazarov v Mario Radev | 6-0,6-1 |