| Challenger Sao Paulo | 2022/07/01 01:40 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/06/30 02:40 | Guilherme Mattos v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/06/23 00:20 | Guilherme Mattos v Alejandro Fernandez Junior | W | 3-2 |
| Challenger Sao Paulo | 2022/06/19 02:20 | Alejandro Fernandez Junior v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/06/16 02:20 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/06/10 02:20 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/06/08 21:20 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/05/13 02:40 | Guilherme Mattos v Alejandro Fernandez Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/07/02 00:40 | Guilherme Mattos v Hiromi Yokoyama | W | 3-2 |
| Challenger Sao Paulo | 2022/07/01 23:40 | Guilherme Mattos v Pedro Andrade | W | 3-1 |
| Challenger Sao Paulo | 2022/07/01 22:40 | Guilherme Mattos v Roberto Tadashi Ishikawa | W | 3-2 |
| Challenger Sao Paulo | 2022/07/01 22:00 | Ricardo Martins De Brito v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/07/01 21:20 | Luciano Martins Vieira Junior v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/07/01 02:40 | Andre Cruz v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/07/01 01:40 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/07/01 01:00 | Guilherme Mattos v Pedro Andrade | L | 1-3 |
| Challenger Sao Paulo | 2022/07/02 00:20 | Alejandro Fernandez Junior v Fabio Mizutani | W | 3-0 |
| Challenger Sao Paulo | 2022/07/02 00:00 | Ricardo Martins De Brito v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/07/01 23:00 | Alejandro Fernandez Junior v Douglas Tomioka | W | 3-0 |
| Challenger Sao Paulo | 2022/07/01 21:40 | Alejandro Fernandez Junior v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/07/01 21:00 | Alejandro Fernandez Junior v Pedro Andrade | W | 3-1 |
| Challenger Sao Paulo | 2022/07/01 02:20 | Alejandro Fernandez Junior v Pedro Andrade | W | 3-1 |
| Challenger Sao Paulo | 2022/07/01 01:40 | Alejandro Fernandez Junior v Guilherme Mattos | W | 3-0 |
| Challenger Sao Paulo | 2022/07/01 00:40 | Alejandro Fernandez Junior v Douglas Tomioka | L | 2-3 |