| Challenger Sao Paulo | 2022/03/27 02:40 | Gustavo Jeremias Morais v Guilherme Mattos | W | 3-1 |
| Challenger Sao Paulo | 2022/04/09 21:20 | Gustavo Jeremias Morais v Helder Faria Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/03/27 02:40 | Gustavo Jeremias Morais v Guilherme Mattos | W | 3-1 |
| Challenger Sao Paulo | 2022/03/27 01:20 | Carlos Alberto Torres Ferraz v Gustavo Jeremias Morais | W | 1-3 |
| Challenger Sao Paulo | 2022/03/27 00:40 | Milton Cardoso v Gustavo Jeremias Morais | W | 0-3 |
| Challenger Sao Paulo | 2022/03/27 00:00 | Everton Vianna v Gustavo Jeremias Morais | L | 3-2 |
| Challenger Sao Paulo | 2022/03/26 23:20 | Gustavo Jeremias Morais v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/03/26 22:20 | Fabio Mizutani v Gustavo Jeremias Morais | W | 2-3 |
| Challenger Sao Paulo | 2022/03/26 21:40 | De Hong Jung v Gustavo Jeremias Morais | W | 1-3 |
| 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 | 2022/04/08 02:20 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/08 01:40 | Guilherme Mattos v Roberto Tadashi Ishikawa | W | 3-1 |
| Challenger Sao Paulo | 2022/04/08 00:40 | Guilherme Mattos v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/04/08 00:00 | Guilherme Mattos v Fabio Mizutani | W | 3-1 |
| Challenger Sao Paulo | 2022/04/07 23:20 | Rogerio Capobianco v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/04/07 22:40 | Guilherme Mattos v Leandro Nogueira Carvalho | W | 3-2 |