| 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 | 2022/03/24 02:20 | Roberto Tadashi Ishikawa v Fabio Mizutani | W | 0-3 |
| Challenger Sao Paulo | 2022/04/27 21:00 | Fabio Mizutani v Leandro Nogueira Carvalho | W | 3-2 |
| Challenger Sao Paulo | 2022/04/22 02:40 | Roberto Domingues de Andrade v Fabio Mizutani | W | 1-3 |
| Challenger Sao Paulo | 2022/04/22 02:00 | Lennon Uehara v Fabio Mizutani | L | 3-2 |
| Challenger Sao Paulo | 2022/04/22 01:20 | Leandro Nogueira Carvalho v Fabio Mizutani | L | 3-0 |
| Challenger Sao Paulo | 2022/04/22 00:40 | Douglas Tomioka v Fabio Mizutani | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 23:40 | Ricardo Martins De Brito v Fabio Mizutani | W | 0-3 |
| Challenger Sao Paulo | 2022/04/21 23:00 | Alejandro Fernandez Junior v Fabio Mizutani | L | 3-1 |
| Challenger Sao Paulo | 2022/04/21 22:20 | Carlos Alberto Torres Ferraz v Fabio Mizutani | L | 3-1 |
| Challenger Sao Paulo | 2022/04/27 21:00 | Marco Cruz v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/04/21 02:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 01:40 | Douglas Tomioka v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 1-3 |
| Challenger Sao Paulo | 2022/04/21 00:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/20 23:00 | Carlos Alberto Torres Ferraz v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/04/20 22:20 | Roberto Tadashi Ishikawa v Rodrigo Procidonio Ruiz | L | 0-3 |
| Challenger Sao Paulo | 2022/04/20 22:00 | Roberto Tadashi Ishikawa v Leandro Nogueira Carvalho | L | 2-3 |