| Challenger Sao Paulo | 2022/05/22 02:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/22 02:00 | Roberto Tadashi Ishikawa v Leandro Nogueira Carvalho | L | 0-3 |
| Challenger Sao Paulo | 2022/05/22 01:20 | Roberto Tadashi Ishikawa v Jocimar Silva | W | 3-0 |
| Challenger Sao Paulo | 2022/05/22 00:00 | Roberto Tadashi Ishikawa v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/05/21 23:20 | Roberto Tadashi Ishikawa v Marco Cruz | W | 3-0 |
| Challenger Sao Paulo | 2022/05/21 22:40 | Everton Pontes v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/05/21 22:00 | Jonas Da Silva v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/21 21:20 | Jefferson Silva v Roberto Tadashi Ishikawa | W | 1-3 |