| Challenger Concepcion | 2022/01/21 15:00 | Hugo Dellien v Pedro Sakamoto | 6-2,6-4 |
| Challenger Concepcion | 2022/01/20 15:00 | Quentin Folliot v Pedro Sakamoto | 4-6,3-6 |
| Challenger Concepcion | 2022/01/18 19:30 | Pedro Sakamoto v Renzo Olivo | 6-1,6-1 |
| Challenger Blumenau | 2022/01/13 13:00 | Facundo Diaz Acosta v Pedro Sakamoto | 6-4,6-3 |
| Challenger Blumenau | 2022/01/12 13:00 | Pedro Sakamoto v Roman Andres Burruchaga | 4-6,6-3,6-2 |
| Challenger Rio De Janeiro | 2021/12/15 16:35 | Pedro Sakamoto v Roy Smith | 7-6,4-6,3-6 |
| Challenger Rio De Janeiro | 2021/12/13 21:00 | Pedro Sakamoto v Facundo Juarez | 6-4,4-6,6-4 |
| Challenger Florianopolis | 2021/12/06 13:00 | Pedro Sakamoto v Federico Zeballos | 5-7,1-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/09 19:27 | Gabriel Silva v Wilson Leite | 2-6,0-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/08 17:30 | Gabriel Silva v Lorenzo Esquici | 4-6,6-2,6-3 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/05 15:15 | Gabriel Silva v Pedro Cressoni | 2-6,3-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/04 12:30 | Joao Lucas Reis da Silva v Gabriel Silva | 3-6,6-2,5-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/03 15:30 | Gabriel Silva v Joao Eduardo Schiessl | 4-6,5-7 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/02 12:30 | Christian Lindell v Gabriel Silva | 3-6,2-5 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/03/31 11:00 | Gabriel Silva v Florent Casays | 6-1,5-2 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/03/30 16:16 | Gabriel Silva v Jose Pereira | 2-6,2-6 |