| Challenger Sao Paulo | 2022/07/16 02:00 | Roberto Tadashi Ishikawa v Fernando Santos | W | 3-0 |
| Challenger Sao Paulo | 2022/07/03 02:20 | Roberto Tadashi Ishikawa v Fernando Santos | W | 3-0 |
| Challenger Sao Paulo | 2022/06/18 00:00 | Roberto Tadashi Ishikawa v Fernando Santos | W | 3-0 |
| 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 | 2022/08/06 00:40 | Roberto Tadashi Ishikawa v Alex Rizzo | W | 3-0 |
| Challenger Sao Paulo | 2022/08/05 23:40 | Roberto Tadashi Ishikawa v Roberto Domingues de Andrade | W | 3-1 |
| Challenger Sao Paulo | 2022/08/05 22:40 | Roberto Tadashi Ishikawa v Jose Martins | W | 3-1 |
| Challenger Sao Paulo | 2022/08/05 22:00 | Marco Cruz v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/08/05 21:20 | Luciano Pinto v Roberto Tadashi Ishikawa | L | 3-2 |
| Challenger Sao Paulo | 2022/08/04 02:20 | Roberto Tadashi Ishikawa v Everton Vianna | L | 0-3 |
| Challenger Sao Paulo | 2022/08/04 01:40 | Roberto Tadashi Ishikawa v Carlos Alberto Torres Ferraz | W | 3-0 |
| Challenger Sao Paulo | 2022/08/04 00:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/08/06 00:20 | Fernando Santos v Antonio Neto | W | 3-1 |
| Challenger Sao Paulo | 2022/08/06 00:00 | Marco Cruz v Fernando Santos | W | 2-3 |
| Challenger Sao Paulo | 2022/08/05 23:00 | Fernando Santos v Luciano Martins Vieira Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/08/05 21:40 | Fernando Santos v Alex Rizzo | L | 2-3 |
| Challenger Sao Paulo | 2022/08/05 21:00 | Fernando Santos v Roberto Domingues de Andrade | W | 3-1 |
| Challenger Sao Paulo | 2022/08/03 02:00 | Roberto Domingues de Andrade v Fernando Santos | W | 2-3 |
| Challenger Sao Paulo | 2022/08/03 01:20 | Fernando Santos v Carlos Alberto Torres Ferraz | L | 0-3 |
| Challenger Sao Paulo | 2022/08/03 00:20 | Fernando Santos v Sandro Motta | L | 0-3 |