| Challenger Sao Paulo | 2022/04/21 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 1-3 |
| Challenger Sao Paulo | 2022/04/13 21:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 3-1 |
| 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 |
| Challenger Sao Paulo | 2022/04/28 02:40 | Roberto Tadashi Ishikawa v Carlos Alberto Torres Ferraz | L | 0-3 |
| Challenger Sao Paulo | 2022/04/28 01:20 | Leandro Nogueira Carvalho v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/28 00:40 | Jonas Silva v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/04/29 00:20 | Jonas Silva v Newton Takaki | L | 3-2 |
| Challenger Sao Paulo | 2022/04/28 23:40 | Newton Takaki v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/28 23:20 | Sandro Motta v Newton Takaki | L | 3-2 |
| Challenger Sao Paulo | 2022/04/28 22:20 | Newton Takaki v Pedro Andrade | L | 2-3 |
| Challenger Sao Paulo | 2022/04/28 21:20 | Newton Takaki v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/04/21 02:20 | Douglas Tomioka v Newton Takaki | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 01:40 | Newton Takaki v Alejandro Fernandez Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/04/21 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 1-3 |