| UTR Pro Tennis Series Florida | 2021/12/13 14:00 | Connor Krug v Martim L Prata | 6-3,3-6,3-6 |
| UTR Pro Tennis Series Miami | 2021/11/07 15:00 | Martim L Prata v Geronimo E Busleiman | 5-7,1-4 |
| UTR Pro Tennis Series Miami | 2021/11/06 23:05 | Martim L Prata v Juan David Velasquez | 6-4,6-3 |
| UTR Pro Tennis Series Miami | 2021/11/04 21:00 | Martim L Prata v Suraj Prabodh | 6-7,6-2,6-0 |
| UTR Pro Tennis Series Miami | 2021/11/04 15:30 | Martim L Prata v Matthew Foster-Estwick | 6-1,6-4 |
| UTR Pro Tennis Series Miami | 2021/11/03 17:00 | Azariah Rusher v Martim L Prata | 6-2,5-0 |
| UTR Pro Tennis Series Miami | 2021/11/02 17:00 | Elio Jose Ribeiro Lago v Martim L Prata | 7-5,4-6,1-5 |
| ITF M15 Naples | 2021/10/11 13:30 | Joshua Goodger v Martim L Prata | 7-6,6-1 |
| ITF M15 Champaign | 2021/09/16 15:00 | Alexander Kotzen v Cannon Kingsley | 4-6,3-6 |
| ITF M15 Champaign | 2021/09/15 19:50 | Alexander Kotzen v Lucas Horve | 6-2,6-3 |
| ITF M25 Koksijde | 2021/08/17 08:00 | Olivier Rojas v Alexander Kotzen | 6-4,6-3 |
| ITF M15 Gdynia | 2021/08/10 08:00 | Alexander Kotzen v Olaf Pieczkowski | 2-6,6-2,8-10 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Alexander Kotzen v Piotr Pawlak | 6-2,6-0 |
| ITF M15 Parnu | 2021/08/05 10:30 | Ergi Kirkin v Alexander Kotzen | 7-6,6-4 |
| ITF M15 Parnu | 2021/08/04 09:05 | Julius Tverijonas v Alexander Kotzen | 6-3,5-7,2-6 |
| ITF M15 Vejle | 2021/07/30 08:00 | Ergi Kirkin v Alexander Kotzen | 6-2,6-3 |