| Challenger Sao Paulo | 2022/05/18 23:00 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-2 |
| Challenger Sao Paulo | 2022/04/27 21:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-1 |
| Challenger Sao Paulo | 2022/04/21 02:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-0 |
| Challenger Sao Paulo | 2022/04/17 01:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-0 |
| Challenger Sao Paulo | 2022/04/15 00:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-1 |
| Challenger Sao Paulo | 2022/04/14 00:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-1 |
| Challenger Sao Paulo | 2022/04/08 00:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-0 |
| Challenger Sao Paulo | 2022/04/07 00:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-0 |
| Challenger Sao Paulo | 2022/05/26 01:40 | Allan Sarmento v Fabio Mizutani | L | 3-0 |
| Challenger Sao Paulo | 2022/05/26 01:00 | Marco Cruz v Fabio Mizutani | W | 2-3 |
| Challenger Sao Paulo | 2022/05/26 00:20 | Fabio Mizutani v Rodrigo Procidonio Ruiz | L | 1-3 |
| Challenger Sao Paulo | 2022/05/26 00:00 | Alejandro Fernandez Junior v Fabio Mizutani | L | 3-0 |
| Challenger Sao Paulo | 2022/05/25 23:00 | Fabio Mizutani v Douglas Tomioka | L | 1-3 |
| Challenger Sao Paulo | 2022/05/25 21:40 | Fabio Mizutani v Jonas Silva | L | 2-3 |
| Challenger Sao Paulo | 2022/05/25 21:00 | Fabio Mizutani v Lennon Uehara | L | 1-3 |
| Challenger Sao Paulo | 2022/05/20 02:20 | Fabio Mizutani v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/05/26 02:00 | Roberto Tadashi Ishikawa v Lennon Uehara | L | 2-3 |
| Challenger Sao Paulo | 2022/05/26 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/25 23:20 | Roberto Tadashi Ishikawa v Allan Sarmento | L | 0-3 |
| 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 |