| Challenger Sao Paulo | 2022/06/17 22:00 | Roberto Tadashi Ishikawa v Roberto Domingues de Andrade | L | 1-3 |
| Challenger Sao Paulo | 2022/06/03 21:00 | Roberto Tadashi Ishikawa v Roberto Domingues de Andrade | W | 3-0 |
| Challenger Sao Paulo | 2022/06/02 22:00 | Roberto Domingues de Andrade v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/07/01 23:20 | Roberto Tadashi Ishikawa v Luciano Martins Vieira Junior | W | 3-0 |
| Challenger Sao Paulo | 2022/07/01 22:40 | Guilherme Mattos v Roberto Tadashi Ishikawa | L | 3-2 |
| Challenger Sao Paulo | 2022/07/01 22:00 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/07/01 21:20 | Ricardo Martins De Brito v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/06/18 02:20 | Roberto Tadashi Ishikawa v Jose Geneci Tavares Junior | W | 3-1 |
| Challenger Sao Paulo | 2022/06/18 01:40 | Roberto Tadashi Ishikawa v Agnaldo Silva | W | 3-0 |
| Challenger Sao Paulo | 2022/06/18 00:40 | Roberto Tadashi Ishikawa v Luciano Martins Vieira Junior | W | 3-0 |
| Challenger Sao Paulo | 2022/06/18 00:00 | Roberto Tadashi Ishikawa v Fernando Santos | W | 3-0 |
| Challenger Sao Paulo | 2022/06/29 02:20 | Nelson Azuma v Roberto Domingues de Andrade | L | 3-1 |
| Challenger Sao Paulo | 2022/06/29 02:00 | Roberto Domingues de Andrade v Gustavo Pedroso | W | 3-1 |
| Challenger Sao Paulo | 2022/06/29 01:20 | Roberto Domingues de Andrade v Wagner Danilo | W | 3-2 |
| Challenger Sao Paulo | 2022/06/29 00:00 | Roberto Domingues de Andrade v Jose Martins | W | 3-0 |
| Challenger Sao Paulo | 2022/06/28 23:20 | Roberto Domingues de Andrade v Luciano Martins Vieira Junior | W | 3-0 |
| Challenger Sao Paulo | 2022/06/28 22:40 | Sandro Motta v Roberto Domingues de Andrade | W | 0-3 |
| Challenger Sao Paulo | 2022/06/28 22:00 | Fernando Santos v Roberto Domingues de Andrade | L | 3-2 |
| Challenger Sao Paulo | 2022/06/28 21:20 | Andre Cruz v Roberto Domingues de Andrade | L | 3-2 |