| Challenger Sao Paulo | 2022/03/23 21:20 | Roberto Tadashi Ishikawa v De Hong Jung | L | 0-3 |
| Challenger Sao Paulo | 2022/03/11 01:20 | Rafael Nakamura v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/03/11 00:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/03/10 23:40 | Vitor Carlesse Martins v Roberto Tadashi Ishikawa | W | 1-3 |
| Challenger Sao Paulo | 2022/03/10 23:00 | Roberto Tadashi Ishikawa v Thiago Vieira | L | 0-3 |
| Challenger Sao Paulo | 2022/03/10 22:40 | Roberto Tadashi Ishikawa v Manuel Freitas Chambel Paiva | L | 1-3 |
| Challenger Sao Paulo | 2022/03/10 22:00 | Roberto Tadashi Ishikawa v Ricardo Martins De Brito | W | 3-1 |
| Challenger Sao Paulo | 2022/03/10 21:20 | Rodrigo Procidonio Ruiz v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/03/23 21:20 | Fabio Mizutani v Milton Cardoso | W | 2-3 |
| Challenger Sao Paulo | 2022/03/20 01:00 | Milton Cardoso v Daniel Santos | L | 2-3 |
| Challenger Sao Paulo | 2022/03/20 00:20 | Milton Cardoso v Heverton Guedes Di Braz | L | 0-3 |
| Challenger Sao Paulo | 2022/03/19 23:40 | Milton Cardoso v Murilo Caltabiano | W | 3-2 |
| Challenger Sao Paulo | 2022/03/19 23:00 | Milton Cardoso v Manuel Freitas Chambel Paiva | W | 3-1 |
| Challenger Sao Paulo | 2022/03/19 22:20 | Milton Cardoso v Evandro de Toledo | W | 3-1 |
| Challenger Sao Paulo | 2022/03/19 21:40 | Milton Cardoso v Douglas Tomioka | L | 2-3 |
| Challenger Sao Paulo | 2022/03/19 21:00 | Milton Cardoso v Alejandro Fernandez Junior | W | 3-2 |