| 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 | 2022/05/11 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 | 2022/06/30 02:00 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 01:00 | Guilherme Mattos v Fabio Mizutani | L | 2-3 |
| Challenger Sao Paulo | 2022/06/30 00:40 | Guilherme Mattos v Rodrigo Procidonio Ruiz | W | 3-2 |
| Challenger Sao Paulo | 2022/06/29 23:40 | Guilherme Mattos v Rogerio Capobianco | W | 3-1 |
| Challenger Sao Paulo | 2022/06/29 22:00 | Newton Takaki v Guilherme Mattos | L | 3-2 |
| Challenger Sao Paulo | 2022/06/29 21:20 | Marco Cruz v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/06/23 02:20 | Guilherme Mattos v Paulo Martinez | W | 3-2 |
| Challenger Sao Paulo | 2022/06/23 01:40 | Charley Suzuki v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/06/30 01:40 | Newton Takaki v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/06/30 01:00 | Alejandro Fernandez Junior v Marco Cruz | W | 3-1 |
| Challenger Sao Paulo | 2022/06/29 23:00 | Rogerio Capobianco v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/06/29 22:20 | Alejandro Fernandez Junior v Douglas Tomioka | W | 3-1 |
| Challenger Sao Paulo | 2022/06/29 22:00 | Alejandro Fernandez Junior v Paulo Martinez | W | 3-2 |
| Challenger Sao Paulo | 2022/06/29 21:00 | Alejandro Fernandez Junior v Rodrigo Procidonio Ruiz | W | 3-0 |
| Challenger Sao Paulo | 2022/06/26 02:20 | Alejandro Fernandez Junior v Everton Vianna | L | 1-3 |
| Challenger Sao Paulo | 2022/06/26 01:40 | Alejandro Fernandez Junior v Fabio Mizutani | W | 3-2 |