| Challenger - Sao Paulo | 2022/07/06 21:40 | Valter Mukaibata v Rogerio Capobianco | W | 3-0 |
| Challenger - Sao Paulo | 2022/07/06 21:00 | Valter Mukaibata v Guilherme Mattos | L | 0-3 |
| Challenger - Sao Paulo | 2022/07/06 22:20 | Marco Cruz v Douglas Tomioka | W | 0-3 |
| Challenger - Sao Paulo | 2022/07/06 21:40 | Guilherme Mattos v Douglas Tomioka | W | 2-3 |
| Challenger - Sao Paulo | 2022/07/02 02:40 | Hiromi Yokoyama v Douglas Tomioka | W | 0-3 |
| Challenger - Sao Paulo | 2022/07/02 02:00 | Guilherme Mattos v Douglas Tomioka | W | 0-3 |
| Challenger - Sao Paulo | 2022/07/02 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger - Sao Paulo | 2022/07/02 00:40 | Ricardo Martins De Brito v Douglas Tomioka | W | 0-3 |
| Challenger - Sao Paulo | 2022/07/01 23:40 | Luciano Martins Vieira Junior v Douglas Tomioka | W | 0-3 |
| Challenger - Sao Paulo | 2022/07/01 23:00 | Alejandro Fernandez Junior v Douglas Tomioka | L | 3-0 |