| Challenger Sao Paulo | 2022/04/14 22:00 | Roberto Tadashi Ishikawa v Pedro Andrade | W | 3-0 |
| Challenger Sao Paulo | 2022/04/28 02:40 | Roberto Tadashi Ishikawa v Carlos Alberto Torres Ferraz | L | 0-3 |
| Challenger Sao Paulo | 2022/04/28 01:20 | Leandro Nogueira Carvalho v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/28 00:40 | Jonas Silva v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/04/28 00:00 | Rodrigo Procidonio Ruiz v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/27 23:20 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/04/27 22:20 | De Hong Jung v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/04/27 21:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/04/27 21:00 | Marco Cruz v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/04/15 02:20 | Fabio Mizutani v Pedro Andrade | L | 3-0 |
| Challenger Sao Paulo | 2022/04/15 02:00 | Pedro Andrade v Carlos Alberto Torres Ferraz | L | 1-3 |
| Challenger Sao Paulo | 2022/04/15 01:20 | Pedro Andrade v Everton Vianna | L | 0-3 |
| Challenger Sao Paulo | 2022/04/15 00:00 | Pedro Andrade v Rogerio Capobianco | W | 3-2 |
| Challenger Sao Paulo | 2022/04/14 23:20 | Pedro Andrade v Leandro Nogueira Carvalho | L | 0-3 |
| Challenger Sao Paulo | 2022/04/14 22:40 | Sandro Motta v Pedro Andrade | W | 0-3 |
| Challenger Sao Paulo | 2022/04/14 22:00 | Roberto Tadashi Ishikawa v Pedro Andrade | L | 3-0 |
| Challenger Sao Paulo | 2022/04/14 21:20 | Hiromi Yokoyama v Pedro Andrade | L | 3-2 |