| Challenger Sao Paulo | 2022/06/16 01:20 | Guilherme Mattos v Douglas Tomioka | W | 1-3 |
| Challenger Sao Paulo | 2022/06/09 23:40 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/09 01:20 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/05/13 02:00 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/05/12 00:40 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/05/06 00:40 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/05/05 02:00 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/04/09 23:20 | Guilherme Mattos v Douglas Tomioka | W | 2-3 |
| Challenger Sao Paulo | 2022/06/16 02:40 | Andre Cruz v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/16 02:00 | Marco Cruz v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/16 01:20 | Guilherme Mattos v Douglas Tomioka | W | 1-3 |
| Challenger Sao Paulo | 2022/06/16 00:40 | Newton Takaki v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/15 23:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/15 23:00 | Alejandro Fernandez Junior v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/15 22:20 | Fabio Mizutani v Douglas Tomioka | W | 2-3 |
| Challenger Sao Paulo | 2022/06/15 21:40 | Rogerio Capobianco v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/06/16 02:20 | Alejandro Fernandez Junior v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/06/16 02:00 | Guilherme Mattos v Rogerio Capobianco | W | 3-0 |
| Challenger Sao Paulo | 2022/06/16 01:20 | Guilherme Mattos v Douglas Tomioka | L | 1-3 |
| Challenger Sao Paulo | 2022/06/16 00:00 | Guilherme Mattos v Andre Cruz | W | 3-0 |
| Challenger Sao Paulo | 2022/06/15 23:20 | Guilherme Mattos v Roberto Tadashi Ishikawa | W | 3-1 |
| Challenger Sao Paulo | 2022/06/15 22:40 | Marco Cruz v Guilherme Mattos | W | 1-3 |
| Challenger Sao Paulo | 2022/06/15 22:00 | Fabio Mizutani v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/06/15 21:20 | Newton Takaki v Guilherme Mattos | L | 3-0 |