| Challenger Sao Paulo | 2022/06/10 21:00 | Fernando Santos v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/06/04 00:20 | Fernando Santos v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/28 02:20 | Fernando Santos v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/14 02:20 | Fernando Santos v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/07 01:00 | Fernando Santos v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/06/17 23:20 | Antonio Neto v Roberto Tadashi Ishikawa | W | 2-3 |
| 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 | 2022/06/17 23:00 | Fernando Santos v Luciano Martins Vieira Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/06/17 21:40 | Fernando Santos v Antonio Neto | W | 3-0 |
| Challenger Sao Paulo | 2022/06/17 21:00 | Fernando Santos v Julio Silva | W | 3-1 |
| Challenger Sao Paulo | 2022/06/15 02:20 | Fernando Santos v Wagner Danilo | W | 3-1 |
| Challenger Sao Paulo | 2022/06/15 01:40 | Jose Geneci Tavares Junior v Fernando Santos | W | 1-3 |
| Challenger Sao Paulo | 2022/06/15 01:00 | Sandro Motta v Fernando Santos | W | 1-3 |
| Challenger Sao Paulo | 2022/06/15 00:20 | Fernando Santos v Nelson Azuma | L | 1-3 |
| Challenger Sao Paulo | 2022/06/15 00:00 | Andre Cruz v Fernando Santos | W | 2-3 |