| Challenger Sao Paulo | 2022/04/01 02:40 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/03/30 21:20 | Guilherme Mattos v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/03/26 02:40 | Guilherme Mattos v Alejandro Fernandez Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/03/24 22:40 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/04/01 02:40 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/04/01 02:00 | Milton Cardoso v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/04/01 01:20 | Manuel Freitas Chambel Paiva v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/04/01 00:40 | Douglas Tomioka v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/03/31 23:40 | Alan Santos v Guilherme Mattos | W | 2-3 |
| Challenger Sao Paulo | 2022/03/31 23:00 | Jonas Silva v Guilherme Mattos | W | 2-3 |
| Challenger Sao Paulo | 2022/03/31 22:20 | Hiromi Yokoyama v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/03/31 21:40 | Helder Faria Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/04/01 02:40 | Alejandro Fernandez Junior v Guilherme Mattos | W | 3-0 |
| Challenger Sao Paulo | 2022/04/01 01:20 | Helder Faria Junior v Alejandro Fernandez Junior | L | 3-2 |
| Challenger Sao Paulo | 2022/04/01 00:40 | Milton Cardoso v Alejandro Fernandez Junior | L | 3-2 |
| Challenger Sao Paulo | 2022/04/01 00:00 | Manuel Freitas Chambel Paiva v Alejandro Fernandez Junior | W | 2-3 |
| Challenger Sao Paulo | 2022/03/31 23:20 | Alejandro Fernandez Junior v Douglas Tomioka | L | 2-3 |
| Challenger Sao Paulo | 2022/03/31 22:20 | Alan Santos v Alejandro Fernandez Junior | L | 3-2 |
| Challenger Sao Paulo | 2022/03/31 21:40 | Jonas Silva v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/03/31 02:00 | Alejandro Fernandez Junior v Thiago Vieira | W | 3-1 |