| Challenger Sao Paulo | 2022/03/09 01:00 | Alan Santos v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/03/09 00:20 | Roberto Tadashi Ishikawa v Ricardo Martins De Brito | W | 3-0 |
| Challenger Sao Paulo | 2022/03/09 00:00 | Roberto Tadashi Ishikawa v Thiago Vieira | L | 1-3 |
| Challenger Sao Paulo | 2022/03/08 23:20 | Roberto Tadashi Ishikawa v Manuel Freitas Chambel Paiva | W | 3-1 |
| Challenger Sao Paulo | 2022/03/08 22:40 | Leandro Nogueira Carvalho v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/03/08 22:00 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/03/08 21:00 | Rafael Nakamura v Roberto Tadashi Ishikawa | W | 2-3 |