| Challenger Sao Paulo | 2022/05/12 00:40 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/06 00:40 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/05 02:00 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/09 23:20 | Guilherme Mattos v Douglas Tomioka | L | 2-3 |
| Challenger Sao Paulo | 2022/04/08 02:20 | Guilherme Mattos v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/01 00:40 | Douglas Tomioka v Guilherme Mattos | L | 3-1 |
| Challenger Sao Paulo | 2022/05/13 01:00 | Guilherme Mattos v Vitor Carlesse Martins | W | 3-0 |
| Challenger Sao Paulo | 2022/05/13 00:40 | Guilherme Mattos v Newton Takaki | L | 1-3 |
| Challenger Sao Paulo | 2022/05/12 23:40 | Guilherme Mattos v Marcio Sasaki | W | 3-0 |
| Challenger Sao Paulo | 2022/05/12 22:40 | Guilherme Mattos v Roberto Tadashi Ishikawa | W | 3-0 |
| Challenger Sao Paulo | 2022/05/12 22:00 | Pedro Andrade v Guilherme Mattos | W | 2-3 |
| Challenger Sao Paulo | 2022/05/12 21:20 | Silnei Yuta v Guilherme Mattos | L | 3-0 |
| Challenger Sao Paulo | 2022/05/12 02:20 | Guilherme Mattos v De Hong Jung | W | 3-1 |
| Challenger Sao Paulo | 2022/05/12 01:40 | Guilherme Mattos v Mizutani, Fabio | W | 3-0 |
| Challenger Sao Paulo | 2022/05/13 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/05/13 00:40 | Pedro Andrade v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/05/12 23:40 | Silnei Yuta v Douglas Tomioka | L | 3-0 |
| Challenger Sao Paulo | 2022/05/12 23:00 | Vitor Carlesse Martins v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/05/12 22:20 | Alejandro Fernandez Junior v Douglas Tomioka | L | 3-2 |
| Challenger Sao Paulo | 2022/05/12 21:40 | Marcio Sasaki v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/05/12 02:40 | Alejandro Fernandez Junior v Douglas Tomioka | L | 3-2 |
| Challenger Sao Paulo | 2022/05/12 02:00 | Marco Cruz v Douglas Tomioka | W | 1-3 |