| Challenger Sao Paulo | 2022/04/13 21:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 3-1 |
| 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 | 2022/04/20 22:20 | Roberto Tadashi Ishikawa v Rodrigo Procidonio Ruiz | L | 0-3 |
| Challenger Sao Paulo | 2022/04/20 22:00 | Roberto Tadashi Ishikawa v Leandro Nogueira Carvalho | L | 2-3 |
| Challenger Sao Paulo | 2022/04/20 21:00 | Roberto Tadashi Ishikawa v De Hong Jung | W | 3-2 |
| Challenger Sao Paulo | 2022/04/17 02:20 | Roberto Tadashi Ishikawa v Lennon Uehara | L | 1-3 |
| Challenger Sao Paulo | 2022/04/17 01:40 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/17 01:00 | Vitor Pereira v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/21 00:20 | Carlos Alberto Torres Ferraz v Newton Takaki | L | 3-0 |
| Challenger Sao Paulo | 2022/04/20 23:40 | Newton Takaki v Rodrigo Procidonio Ruiz | L | 0-3 |
| Challenger Sao Paulo | 2022/04/20 23:20 | Leandro Nogueira Carvalho v Newton Takaki | L | 3-0 |
| Challenger Sao Paulo | 2022/04/20 22:20 | Newton Takaki v De Hong Jung | L | 0-3 |
| Challenger Sao Paulo | 2022/04/20 21:20 | Newton Takaki v Fabio Mizutani | L | 0-3 |
| Challenger Sao Paulo | 2022/04/14 02:40 | Newton Takaki v Jonas Silva | L | 1-3 |
| Challenger Sao Paulo | 2022/04/14 01:20 | Carlos Alberto Torres Ferraz v Newton Takaki | L | 3-2 |
| Challenger Sao Paulo | 2022/04/14 00:40 | De Hong Jung v Newton Takaki | L | 3-0 |