| Challenger Sao Paulo | 2022/08/07 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/08/04 00:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/27 23:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/24 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/20 23:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/10 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/07 21:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/02 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/08/11 21:20 | Douglas Tomioka v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/08/07 02:20 | Douglas Tomioka v Everton Vianna | W | 3-0 |
| Challenger Sao Paulo | 2022/08/07 01:40 | Luciano Pinto v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/08/07 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/08/07 00:20 | Douglas Tomioka v Julio Nogueira | W | 3-0 |
| Challenger Sao Paulo | 2022/08/07 00:00 | Alejandro Fernandez Junior v Douglas Tomioka | L | 3-1 |
| Challenger Sao Paulo | 2022/08/06 23:00 | Douglas Tomioka v Pedro Andrade | W | 3-0 |
| Challenger Sao Paulo | 2022/08/06 21:40 | Douglas Tomioka v Ricardo Mendes | W | 3-0 |
| Challenger Sao Paulo | 2022/08/11 21:20 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/08/11 02:40 | Roberto Tadashi Ishikawa v Carlos Alberto Torres Ferraz | L | 1-3 |
| Challenger Sao Paulo | 2022/08/11 02:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 3-0 |
| Challenger Sao Paulo | 2022/08/11 01:00 | Roberto Tadashi Ishikawa v Everton Vianna | L | 0-3 |
| Challenger Sao Paulo | 2022/08/11 00:40 | Roberto Tadashi Ishikawa v Allan Sarmento | L | 0-3 |
| Challenger Sao Paulo | 2022/08/10 23:40 | Roberto Tadashi Ishikawa v Lennon Uehara | L | 1-3 |
| Challenger Sao Paulo | 2022/08/10 22:40 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/08/10 22:00 | Marco Cruz v Roberto Tadashi Ishikawa | W | 1-3 |