| Challenger Sao Paulo | 2022/04/29 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 2-3 |
| 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 | 2022/05/12 23:20 | Roberto Tadashi Ishikawa v Silnei Yuta | L | 2-3 |
| Challenger Sao Paulo | 2022/05/12 22:40 | Guilherme Mattos v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/12 22:00 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/12 21:20 | Pedro Andrade v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/08 02:20 | Douglas Tomioka v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/08 01:40 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | W | 3-2 |
| Challenger Sao Paulo | 2022/05/08 01:00 | Lennon Uehara v Roberto Tadashi Ishikawa | L | 3-2 |
| Challenger Sao Paulo | 2022/05/08 00:20 | Diogo Silva v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/12 23:20 | Newton Takaki v Pedro Andrade | L | 2-3 |
| Challenger Sao Paulo | 2022/05/12 22:20 | Silnei Yuta v Newton Takaki | L | 3-0 |
| Challenger Sao Paulo | 2022/05/12 21:40 | Vitor Carlesse Martins v Newton Takaki | W | 1-3 |
| Challenger Sao Paulo | 2022/05/12 21:00 | Alejandro Fernandez Junior v Newton Takaki | L | 3-0 |
| Challenger Sao Paulo | 2022/05/06 02:40 | Newton Takaki v Alejandro Fernandez Junior | L | 2-3 |
| Challenger Sao Paulo | 2022/05/06 02:00 | Newton Takaki v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/06 01:00 | Newton Takaki v Lennon Uehara | L | 2-3 |
| Challenger Sao Paulo | 2022/05/06 00:40 | Newton Takaki v Diogo Silva | L | 0-3 |