| Challenger Sao Paulo | 2022/05/19 00:00 | Allan Sarmento v Hiromi Yokoyama | W | 3-0 |
| Challenger Sao Paulo | 2022/05/18 23:20 | Allan Sarmento v Rodrigo Procidonio Ruiz | W | 3-0 |
| Challenger Sao Paulo | 2022/05/18 22:40 | Alejandro Fernandez Junior v Allan Sarmento | W | 0-3 |
| Challenger Sao Paulo | 2022/05/18 21:20 | Rogerio Capobianco v Allan Sarmento | W | 0-3 |
| Challenger Sao Paulo | 2022/05/19 00:40 | Rogerio Capobianco v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/18 23:40 | Rodrigo Procidonio Ruiz v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/18 23:00 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-2 |
| Challenger Sao Paulo | 2022/05/18 22:20 | Leandro Nogueira Carvalho v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/18 21:40 | Marco Cruz v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/05/14 02:20 | Fernando Santos v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/14 02:00 | Roberto Tadashi Ishikawa v Jocimar Silva | W | 3-0 |
| Challenger Sao Paulo | 2022/05/14 01:20 | Roberto Tadashi Ishikawa v Geraldo Iqueuti | W | 3-0 |