| Challenger Sao Paulo | 08/25 02:40 | - | Roberto Tadashi Ishikawa v Rodrigo Procidonio Ruiz | L | 1-3 | |
| Challenger Sao Paulo | 08/25 02:00 | - | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 | |
| Challenger Sao Paulo | 08/25 01:00 | - | Roberto Tadashi Ishikawa v Everton Vianna | L | 0-3 | |
| Challenger Sao Paulo | 08/25 00:40 | - | Roberto Tadashi Ishikawa v Vitor Carlesse Martins | L | 0-3 | |
| Challenger Sao Paulo | 08/24 23:40 | - | Roberto Tadashi Ishikawa v Marco Cruz | W | 3-1 | |
| Challenger Sao Paulo | 08/24 22:40 | - | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 | |
| Challenger Sao Paulo | 08/24 22:00 | - | Newton Takaki v Roberto Tadashi Ishikawa | W | 2-3 | |
| Challenger Sao Paulo | 08/24 21:20 | - | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-1 | |
| Challenger Sao Paulo | 08/21 02:40 | - | Roberto Tadashi Ishikawa v Luciano Pinto | L | 0-3 | |
| Challenger Sao Paulo | 08/21 01:20 | - | Pedro Andrade v Roberto Tadashi Ishikawa | L | 3-0 | |
| Challenger Sao Paulo | 08/21 00:40 | - | Marco Cruz v Roberto Tadashi Ishikawa | W | 1-3 | |
| Challenger Sao Paulo | 08/21 00:00 | - | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |