| Challenger - São Paulo | 2022/08/17 22:00 | Newton Takaki v Roberto Tadashi Ishikawa | L | 1-3 |
| Challenger - São Paulo | 2022/08/11 02:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 3-0 |
| Challenger - São Paulo | 2022/07/21 01:40 | Newton Takaki v Roberto Tadashi Ishikawa | W | 3-1 |
| Challenger - São Paulo | 2022/06/16 02:20 | Newton Takaki v Roberto Tadashi Ishikawa | L | 2-3 |
| Challenger - São Paulo | 2022/06/09 01:40 | Roberto Tadashi Ishikawa v Newton Takaki | L | 3-2 |
| Challenger - São Paulo | 2022/06/02 23:20 | Roberto Tadashi Ishikawa v Newton Takaki | L | 3-1 |
| Challenger - São Paulo | 2022/05/13 00:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 2-3 |
| Challenger - São Paulo | 2022/04/29 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 2-3 |
| Challenger - São Paulo | 2022/08/24 21:20 | Newton Takaki v Alejandro Fernandez Junior | L | 1-3 |
| Challenger - São Paulo | 2022/08/18 02:20 | Newton Takaki v Fabio Mizutani | L | 1-3 |
| Challenger - São Paulo | 2022/08/18 01:40 | Newton Takaki v Carlos Alberto Torres Ferraz | W | 3-2 |
| Challenger - São Paulo | 2022/08/18 00:40 | Newton Takaki v Douglas Tomioka | L | 0-3 |
| Challenger - São Paulo | 2022/08/18 00:00 | Newton Takaki v Everton Vianna | W | 3-1 |
| Challenger - São Paulo | 2022/08/17 23:20 | Pedro Andrade v Newton Takaki | L | 3-1 |
| Challenger - São Paulo | 2022/08/17 22:40 | Newton Takaki v Lennon Uehara | L | 1-3 |
| Challenger - São Paulo | 2022/08/17 22:00 | Newton Takaki v Roberto Tadashi Ishikawa | L | 1-3 |
| Challenger - São Paulo | 2022/08/24 21:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger - São Paulo | 2022/08/21 02:40 | Roberto Tadashi Ishikawa v Luciano Pinto | L | 0-3 |
| Challenger - São Paulo | 2022/08/21 01:20 | Pedro Andrade v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger - São Paulo | 2022/08/21 00:40 | Marco Cruz v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger - São Paulo | 2022/08/21 00:00 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger - São Paulo | 2022/08/20 23:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 1-3 |
| Challenger - São Paulo | 2022/08/20 22:20 | Daniel Lacerda v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger - São Paulo | 2022/08/20 21:40 | Everton Vianna v Roberto Tadashi Ishikawa | L | 3-0 |