| Challenger Sao Paulo | 2022/07/17 01:20 | Pedro Andrade v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/07/09 22:20 | Roberto Tadashi Ishikawa v Pedro Andrade | W | 3-0 |
| Challenger Sao Paulo | 2022/07/02 02:00 | Roberto Tadashi Ishikawa v Pedro Andrade | L | 1-3 |
| Challenger Sao Paulo | 2022/05/12 21:20 | Pedro Andrade v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/28 21:00 | Roberto Tadashi Ishikawa v Pedro Andrade | L | 1-3 |
| Challenger Sao Paulo | 2022/04/14 22:00 | Roberto Tadashi Ishikawa v Pedro Andrade | W | 3-0 |
| Challenger Sao Paulo | 2022/07/23 22:00 | Luciano Pinto v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/07/23 21:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/07/21 02:20 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/07/21 01:40 | Newton Takaki v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/07/21 01:00 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/07/21 00:20 | Roberto Tadashi Ishikawa v Marco Cruz | W | 3-1 |
| Challenger Sao Paulo | 2022/07/21 00:00 | Everton Vianna v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/07/20 23:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/23 22:00 | Fabio Mizutani v Pedro Andrade | L | 3-1 |
| Challenger Sao Paulo | 2022/07/23 21:20 | Luciano Pinto v Pedro Andrade | L | 3-2 |
| Challenger Sao Paulo | 2022/07/22 02:20 | Alejandro Fernandez Junior v Pedro Andrade | L | 3-0 |
| Challenger Sao Paulo | 2022/07/22 01:40 | Pedro Andrade v Fabio Mizutani | L | 0-3 |
| Challenger Sao Paulo | 2022/07/22 01:00 | Guilherme Mattos v Pedro Andrade | L | 3-0 |
| Challenger Sao Paulo | 2022/07/22 00:20 | Vitor Carlesse Martins v Pedro Andrade | L | 3-0 |
| Challenger Sao Paulo | 2022/07/21 23:40 | Pedro Andrade v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/21 23:20 | Everton Vianna v Pedro Andrade | L | 3-1 |