| Challenger Sao Paulo | 2022/06/04 01:40 | Antonio Neto v Roberto Tadashi Ishikawa | L | 0-3 |
| Challenger Sao Paulo | 2022/05/28 01:20 | Roberto Tadashi Ishikawa v Antonio Neto | L | 3-0 |
| Challenger Sao Paulo | 2022/05/21 02:00 | Roberto Tadashi Ishikawa v Antonio Neto | L | 3-0 |
| Challenger Sao Paulo | 2022/05/13 23:20 | Roberto Tadashi Ishikawa v Antonio Neto | L | 3-0 |
| Challenger Sao Paulo | 2022/06/17 22:20 | Jose Geneci Tavares Junior v Antonio Neto | L | 3-1 |
| Challenger Sao Paulo | 2022/06/17 21:40 | Fernando Santos v Antonio Neto | L | 3-0 |
| Challenger Sao Paulo | 2022/06/17 21:00 | Agnaldo Silva v Antonio Neto | L | 3-0 |
| Challenger Sao Paulo | 2022/06/04 02:20 | Antonio Neto v Julio Silva | L | 0-3 |
| Challenger Sao Paulo | 2022/06/04 01:40 | Antonio Neto v Roberto Tadashi Ishikawa | L | 0-3 |
| Challenger Sao Paulo | 2022/06/04 00:40 | Antonio Neto v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/04 00:00 | Antonio Neto v Fernando Santos | L | 1-3 |
| Challenger Sao Paulo | 2022/06/03 23:20 | Roberto Domingues de Andrade v Antonio Neto | L | 3-0 |
| Challenger Sao Paulo | 2022/06/17 22:40 | Roberto Tadashi Ishikawa v Julio Silva | W | 3-2 |
| Challenger Sao Paulo | 2022/06/17 22:00 | Roberto Tadashi Ishikawa v Roberto Domingues de Andrade | L | 1-3 |
| Challenger Sao Paulo | 2022/06/17 21:20 | Roberto Tadashi Ishikawa v Jose Martins | W | 3-0 |
| Challenger Sao Paulo | 2022/06/16 02:20 | Newton Takaki v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/06/16 01:40 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/06/16 01:00 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/06/16 00:20 | Rogerio Capobianco v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/06/15 23:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |