| Challenger Sao Paulo | 2022/05/11 23:20 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/05/06 01:40 | Guilherme Mattos v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/05/04 22:00 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/04/09 21:00 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/04/07 21:20 | Guilherme Mattos v Alejandro Fernandez Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/04/06 21:20 | Guilherme Mattos v Alejandro Fernandez Junior | L | 0-3 |
| 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 | 2022/05/13 02:00 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/13 01:00 | Guilherme Mattos v Vitor Carlesse Martins | W | 3-0 |
| Challenger Sao Paulo | 2022/05/13 00:40 | Guilherme Mattos v Newton Takaki | L | 1-3 |
| Challenger Sao Paulo | 2022/05/12 23:40 | Guilherme Mattos v Marcio Sasaki | W | 3-0 |
| Challenger Sao Paulo | 2022/05/12 22:40 | Guilherme Mattos v Roberto Tadashi Ishikawa | W | 3-0 |
| Challenger Sao Paulo | 2022/05/12 22:00 | Pedro Andrade v Guilherme Mattos | W | 2-3 |
| Challenger Sao Paulo | 2022/05/12 21:20 | Silnei Yuta v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/05/12 02:20 | Guilherme Mattos v De Hong Jung | W | 3-1 |
| Challenger Sao Paulo | 2022/05/13 01:40 | Pedro Andrade v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/05/13 01:00 | Alejandro Fernandez Junior v Silnei Yuta | L | 1-3 |
| Challenger Sao Paulo | 2022/05/13 00:20 | Vitor Carlesse Martins v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/05/12 23:00 | Marcio Sasaki v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/05/12 22:20 | Alejandro Fernandez Junior v Douglas Tomioka | W | 3-2 |
| Challenger Sao Paulo | 2022/05/12 22:00 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | W | 3-0 |
| Challenger Sao Paulo | 2022/05/12 21:00 | Alejandro Fernandez Junior v Newton Takaki | W | 3-0 |
| Challenger Sao Paulo | 2022/05/12 02:40 | Alejandro Fernandez Junior v Douglas Tomioka | W | 3-2 |