Estádio: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Cancún | 2021/12/05 17:00 | Felipe Santamaria v Ren Nakamura | 2-6,3-6 |
| ITF - M15 Cancún | 2021/12/02 16:00 | Kiranpal Pannu v Ren Nakamura | 6-2,6-4 |
| ITF - M15 Cancún | 2021/11/30 16:00 | Ren Nakamura v Joshua Sheehy | 6-7,0-6 |
| ITF - M15 Cancún | 2021/11/29 14:00 | Masamichi Imamura v Ren Nakamura | 2-6,4-6 |
| ITF - M15 Cancún | 2021/11/28 14:00 | Juan Sebastian Osorio v Ren Nakamura | 6-3,3-6,9-11 |
| ITF - M25 Afula | 2021/11/09 12:50 | Rio Noguchi v Ren Nakamura | 7-6,6-2 |
| ITF - M25 Meitar | 2021/11/02 14:30 | Yshai Oliel v Ren Nakamura | 6-4,6-2 |
| ITF - M15 Monastir | 2021/08/23 08:00 | Ren Nakamura v Rishi Reddy | 4-6,1-6 |
| ITF - M15 Cancún | 2021/12/05 14:00 | Elijah Strode v Luis Britto | 1-6,0-6 |
| ITF - M15 Cancún | 2021/12/02 17:00 | Joshua Sheehy v Luis Britto | 6-2,6-0 |
| ITF - M25 Aparecida de Goiânia | 2021/11/10 13:30 | Luis Britto v Conner Huertas Del Pino | 4-6,2-6 |
| ITF - M15 Brasília | 2021/11/05 14:00 | Marcelo Zormann v Luis Britto | 6-1,6-2 |
| ITF - M15 Brasília | 2021/11/04 16:55 | Joao M Nusdeo v Luis Britto | 0-6,4-6 |
| ITF - M15 Brasília | 2021/11/03 12:00 | Luis Britto v Leonardo Aboian | 3-6,7-6,6-4 |
| ITF - M15 Cancún | 2021/10/20 15:00 | Joshua Peck v Luis Britto | 7-5,3-6,7-5 |
| ITF - M15 Cancún | 2021/10/18 15:00 | Luis Britto v Adrian Contreras | 6-2,6-3 |