| Challenger Sao Paulo | 2022/06/18 23:20 | Guilherme Mattos v Ricardo Martins De Brito | L | 3-1 |
| Challenger Sao Paulo | 2022/07/01 21:20 | Ricardo Martins De Brito v Roberto Tadashi Ishikawa | L | 0-3 |
| Challenger Sao Paulo | 2022/06/19 02:20 | Douglas Tomioka v Ricardo Martins De Brito | L | 3-0 |
| Challenger Sao Paulo | 2022/06/19 01:40 | Ricardo Martins De Brito v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/06/19 01:00 | Fabio Mizutani v Ricardo Martins De Brito | L | 3-0 |
| Challenger Sao Paulo | 2022/06/19 00:20 | Waldir Forner Junior v Ricardo Martins De Brito | L | 3-0 |
| Challenger Sao Paulo | 2022/06/18 23:40 | Ricardo Martins De Brito v Mauricio Teodoro | W | 3-0 |
| Challenger Sao Paulo | 2022/06/18 23:20 | Guilherme Mattos v Ricardo Martins De Brito | L | 3-1 |
| Challenger Sao Paulo | 2022/06/18 21:20 | Ricardo Martins De Brito v Marcelo Phaiffer | L | 0-3 |
| 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 | 2022/07/01 00:20 | Fabio Mizutani v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/06/30 23:00 | Hiromi Yokoyama v Guilherme Mattos | W | 2-3 |
| Challenger Sao Paulo | 2022/06/30 22:20 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/30 22:00 | Guilherme Mattos v Everton Vianna | W | 3-2 |