| Challenger Sao Paulo | 06/03 22:20 | - | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 | |
| Challenger Sao Paulo | 06/03 22:00 | - | Roberto Tadashi Ishikawa v Jocimar Silva | W | 3-1 | |
| Challenger Sao Paulo | 06/03 21:00 | - | Roberto Tadashi Ishikawa v Roberto Domingues de Andrade | W | 3-0 | |
| Challenger Sao Paulo | 06/03 02:20 | - | Fabio Mizutani v Roberto Tadashi Ishikawa | W | 2-3 | |
| Challenger Sao Paulo | 06/03 02:00 | - | Roberto Tadashi Ishikawa v Vitor Carlesse Martins | W | 3-2 | |
| Challenger Sao Paulo | 06/03 01:20 | - | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 | |
| Challenger Sao Paulo | 06/03 00:00 | - | Roberto Tadashi Ishikawa v Rogerio Capobianco | W | 3-0 | |
| Challenger Sao Paulo | 06/02 23:20 | - | Roberto Tadashi Ishikawa v Newton Takaki | W | 3-1 | |
| Challenger Sao Paulo | 06/02 22:40 | - | Wagner Danilo v Roberto Tadashi Ishikawa | W | 1-3 | |
| Challenger Sao Paulo | 06/02 22:00 | - | Roberto Domingues de Andrade v Roberto Tadashi Ishikawa | W | 1-3 | |
| Challenger Sao Paulo | 06/02 21:20 | - | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-1 | |
| Challenger Sao Paulo | 05/29 02:40 | - | Allan Sarmento v Roberto Tadashi Ishikawa | L | 3-0 | |
| Challenger Sao Paulo | 05/29 01:40 | - | Heins Bendezu v Roberto Tadashi Ishikawa | W | 2-3 | |
| Challenger Sao Paulo | 05/29 01:00 | - | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 | |
| Challenger Sao Paulo | 05/29 00:20 | - | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 | |
| Challenger Sao Paulo | 05/28 23:00 | - | Jonas Silva v Roberto Tadashi Ishikawa | L | 3-0 | |
| Challenger Sao Paulo | 05/28 22:20 | - | Roberto Tadashi Ishikawa v Everton Vianna | L | 1-3 | |
| Challenger Sao Paulo | 05/28 22:00 | - | Roberto Tadashi Ishikawa v Matheus Oliveira | L | 0-3 | |
| Challenger Sao Paulo | 05/28 21:00 | - | Roberto Tadashi Ishikawa v Vanderlei Souza | L | 1-3 | |
| Challenger Sao Paulo | 05/28 02:20 | - | Fernando Santos v Roberto Tadashi Ishikawa | W | 0-3 | |
| Challenger Sao Paulo | 05/28 02:00 | - | Roberto Tadashi Ishikawa v Geraldo Iqueuti | W | 3-1 | |
| Challenger Sao Paulo | 05/28 01:20 | - | Roberto Tadashi Ishikawa v Antonio Neto | W | 3-0 | |
| Challenger Sao Paulo | 05/28 00:00 | - | Roberto Tadashi Ishikawa v Marco Cruz | W | 3-2 | |
| Challenger Sao Paulo | 05/27 23:20 | - | Roberto Tadashi Ishikawa v Julio Cesar | W | 3-1 | |
| Challenger Sao Paulo | 05/27 22:40 | - | Julio Nogueira v Roberto Tadashi Ishikawa | W | 0-3 | |
| Challenger Sao Paulo | 05/27 22:00 | - | Sandro Motta v Roberto Tadashi Ishikawa | W | 0-3 | |
| Challenger Sao Paulo | 05/26 02:20 | - | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-1 | |
| Challenger Sao Paulo | 05/26 02:00 | - | Roberto Tadashi Ishikawa v Lennon Uehara | L | 2-3 | |
| Challenger Sao Paulo | 05/26 01:20 | - | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 | |
| Challenger Sao Paulo | 05/25 23:20 | - | Roberto Tadashi Ishikawa v Allan Sarmento | L | 0-3 |