| 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 | 2022/03/26 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 | 2022/04/10 02:40 | Guilherme Mattos v Lennon Uehara | W | 3-0 |
| Challenger Sao Paulo | 2022/04/10 01:20 | De Hong Jung v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/04/10 00:40 | Helder Faria Junior v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/04/10 00:00 | Everton Vianna v Guilherme Mattos | W | 0-3 |
| Challenger Sao Paulo | 2022/04/09 23:20 | Guilherme Mattos v Douglas Tomioka | L | 2-3 |
| Challenger Sao Paulo | 2022/04/09 22:20 | Gustavo Jeremias Morais v Guilherme Mattos | L | 3-2 |
| Challenger Sao Paulo | 2022/04/09 21:40 | Heins Bendezu v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/04/09 21:00 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/04/22 02:20 | Alejandro Fernandez Junior v Leandro Nogueira Carvalho | W | 3-0 |
| Challenger Sao Paulo | 2022/04/22 01:40 | Ricardo Martins De Brito v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/04/22 01:00 | Lennon Uehara v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/04/22 00:20 | Alejandro Fernandez Junior v Carlos Alberto Torres Ferraz | L | 2-3 |
| Challenger Sao Paulo | 2022/04/22 00:00 | Douglas Tomioka v Alejandro Fernandez Junior | L | 3-1 |
| Challenger Sao Paulo | 2022/04/21 23:00 | Alejandro Fernandez Junior v Fabio Mizutani | W | 3-1 |
| Challenger Sao Paulo | 2022/04/21 21:40 | Alejandro Fernandez Junior v Roberto Domingues de Andrade | W | 3-1 |
| Challenger Sao Paulo | 2022/04/21 21:00 | Alejandro Fernandez Junior v Jonas Silva | W | 3-2 |