| 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 | 2022/07/02 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/02 00:00 | Roberto Tadashi Ishikawa v Hiromi Yokoyama | W | 3-1 |
| 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 | 2022/07/02 01:20 | Pedro Andrade v Hiromi Yokoyama | W | 3-1 |
| Challenger Sao Paulo | 2022/07/02 00:20 | Pedro Andrade v Luciano Martins Vieira Junior | W | 3-0 |
| Challenger Sao Paulo | 2022/07/01 23:40 | Guilherme Mattos v Pedro Andrade | L | 3-1 |
| Challenger Sao Paulo | 2022/07/01 23:00 | Pedro Andrade v Fabio Mizutani | L | 0-3 |
| Challenger Sao Paulo | 2022/07/01 22:40 | Ricardo Martins De Brito v Pedro Andrade | W | 0-3 |
| Challenger Sao Paulo | 2022/07/01 21:40 | Pedro Andrade v Douglas Tomioka | L | 1-3 |
| Challenger Sao Paulo | 2022/07/01 21:00 | Alejandro Fernandez Junior v Pedro Andrade | L | 3-1 |
| Challenger Sao Paulo | 2022/07/01 02:20 | Alejandro Fernandez Junior v Pedro Andrade | L | 3-1 |