| Challenger Sao Paulo | 2022/05/19 01:20 | Allan Sarmento v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/25 22:40 | Marco Cruz v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/05/25 22:00 | Rodrigo Procidonio Ruiz v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/25 21:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| 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 | 2022/05/25 22:20 | Allan Sarmento v Jonas Silva | W | 3-0 |
| Challenger Sao Paulo | 2022/05/25 21:20 | Allan Sarmento v Marco Cruz | W | 3-0 |
| Challenger Sao Paulo | 2022/05/20 02:40 | Allan Sarmento v Everton Pontes | W | 3-0 |
| Challenger Sao Paulo | 2022/05/20 02:00 | Allan Sarmento v Vitor Carlesse Martins | W | 3-0 |
| Challenger Sao Paulo | 2022/05/20 01:00 | Allan Sarmento v Fabio Mizutani | W | 3-0 |
| Challenger Sao Paulo | 2022/05/20 00:40 | Allan Sarmento v Jeferson Bento | W | 3-0 |
| Challenger Sao Paulo | 2022/05/19 23:40 | Allan Sarmento v Sandro Motta | W | 3-0 |
| Challenger Sao Paulo | 2022/05/19 22:40 | Allan Sarmento v Hiromi Yokoyama | W | 3-0 |