| 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 | 2022/05/07 23:40 | Roberto Tadashi Ishikawa v De Hong Jung | L | 2-3 |
| Challenger Sao Paulo | 2022/05/12 22:20 | Silnei Yuta v Newton Takaki | W | 3-0 |
| Challenger Sao Paulo | 2022/05/12 21:20 | Silnei Yuta v Guilherme Mattos | W | 3-0 |
| Challenger Sao Paulo | 2022/03/27 02:40 | Milton Cardoso v Silnei Yuta | W | 1-3 |
| Challenger Sao Paulo | 2022/03/27 01:40 | Douglas Tomioka v Silnei Yuta | L | 3-1 |
| Challenger Sao Paulo | 2022/03/27 01:00 | Silnei Yuta v Fabio Mizutani | W | 3-1 |
| Challenger Sao Paulo | 2022/03/27 00:20 | De Hong Jung v Silnei Yuta | W | 2-3 |
| Challenger Sao Paulo | 2022/03/26 22:20 | Silnei Yuta v Guilherme Mattos | W | 3-0 |
| Challenger Sao Paulo | 2022/03/26 22:00 | Silnei Yuta v Everton Vianna | W | 3-1 |