| 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 | 2022/03/24 02:20 | Roberto Tadashi Ishikawa v Fabio Mizutani | W | 0-3 |
| Challenger Sao Paulo | 2022/04/28 02:20 | Fabio Mizutani v Rodrigo Procidonio Ruiz | W | 3-2 |
| Challenger Sao Paulo | 2022/04/28 01:40 | De Hong Jung v Fabio Mizutani | L | 3-2 |
| Challenger Sao Paulo | 2022/04/28 01:00 | Jonas Silva v Fabio Mizutani | W | 2-3 |
| Challenger Sao Paulo | 2022/04/28 00:20 | Fabio Mizutani v Marco Cruz | W | 3-1 |
| Challenger Sao Paulo | 2022/04/28 00:00 | Alejandro Fernandez Junior v Fabio Mizutani | L | 3-0 |
| Challenger Sao Paulo | 2022/04/27 23:00 | Fabio Mizutani v Carlos Alberto Torres Ferraz | W | 3-1 |
| Challenger Sao Paulo | 2022/04/27 21:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 3-1 |
| Challenger Sao Paulo | 2022/04/27 21:00 | Fabio Mizutani v Leandro Nogueira Carvalho | W | 3-2 |
| Challenger Sao Paulo | 2022/04/29 02:40 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/04/29 01:40 | Carlos Alberto Torres Ferraz v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/29 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 2-3 |
| Challenger Sao Paulo | 2022/04/29 00:20 | Leandro Nogueira Carvalho v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/28 23:00 | Jonas Silva v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/04/28 22:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/28 22:00 | Roberto Tadashi Ishikawa v Sandro Motta | L | 2-3 |
| Challenger Sao Paulo | 2022/04/28 21:00 | Roberto Tadashi Ishikawa v Pedro Andrade | L | 1-3 |