| Challenger Sao Paulo | 2022/04/21 00:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/07 22:00 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/04/06 22:00 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/03/24 00:40 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 1-3 |
| Challenger Sao Paulo | 2022/03/11 00:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/03/08 22:00 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-1 |
| 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 | 2022/04/21 02:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 01:40 | Douglas Tomioka v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 1-3 |
| Challenger Sao Paulo | 2022/04/21 00:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/20 23:00 | Carlos Alberto Torres Ferraz v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/04/27 22:40 | Alejandro Fernandez Junior v Leandro Nogueira Carvalho | W | 3-0 |
| Challenger Sao Paulo | 2022/04/27 22:00 | Alejandro Fernandez Junior v Jonas Silva | W | 3-1 |
| Challenger Sao Paulo | 2022/04/27 21:20 | Alejandro Fernandez Junior v Rodrigo Procidonio Ruiz | W | 3-0 |
| Challenger Sao Paulo | 2022/04/22 02:20 | Alejandro Fernandez Junior v Leandro Nogueira Carvalho | W | 3-0 |
| Challenger Sao Paulo | 2022/04/22 01:40 | Ricardo Martins De Brito v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/04/22 01:00 | Lennon Uehara v Alejandro Fernandez Junior | W | 0-3 |
| Challenger Sao Paulo | 2022/04/22 00:20 | Alejandro Fernandez Junior v Carlos Alberto Torres Ferraz | L | 2-3 |
| Challenger Sao Paulo | 2022/04/22 00:00 | Douglas Tomioka v Alejandro Fernandez Junior | L | 3-1 |