| Challenger Sao Paulo | 2022/04/28 22:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/04/21 01:40 | Douglas Tomioka v Roberto Tadashi Ishikawa | W | 3-0 |
| Challenger Sao Paulo | 2022/04/17 00:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 1-3 |
| Challenger Sao Paulo | 2022/04/08 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 1-3 |