| Challenger Sao Paulo | 2022/06/02 21:00 | Roberto Domingues de Andrade v Rogerio Capobianco | W | 3-0 |
| Challenger Sao Paulo | 2022/06/01 02:20 | Roberto Domingues de Andrade v Fernando Santos | L | 2-3 |
| Challenger Sao Paulo | 2022/06/01 01:40 | Roberto Domingues de Andrade v Nelson Azuma | W | 3-1 |
| Challenger Sao Paulo | 2022/06/01 00:40 | Roberto Domingues de Andrade v Wagner Danilo | L | 1-3 |
| Challenger Sao Paulo | 2022/06/01 00:00 | Roberto Domingues de Andrade v Andre Cruz | W | 3-0 |
| Challenger Sao Paulo | 2022/05/31 23:20 | Charley Suzuki v Roberto Domingues de Andrade | L | 3-0 |
| Challenger Sao Paulo | 2022/05/31 22:40 | Roberto Domingues de Andrade v Sandro Motta | W | 3-1 |
| Challenger Sao Paulo | 2022/05/31 22:00 | Roberto Domingues de Andrade v Jose Martins | W | 3-0 |
| Challenger Sao Paulo | 2022/06/02 21:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/05/29 02:40 | Allan Sarmento v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/29 01:40 | Heins Bendezu v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/05/29 01:00 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/05/29 00:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/28 23:00 | Jonas Silva v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/28 22:20 | Roberto Tadashi Ishikawa v Everton Vianna | L | 1-3 |
| Challenger Sao Paulo | 2022/05/28 22:00 | Roberto Tadashi Ishikawa v Matheus Oliveira | L | 0-3 |