| Challenger Sao Paulo | 2022/06/18 21:20 | Douglas Tomioka v Guilherme Mattos | L | 1-3 |
| 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 | 2022/06/18 21:20 | Ricardo Martins De Brito v Marcelo Phaiffer | W | 0-3 |