| Challenger Sao Paulo | 2022/07/20 23:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/10 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/07 21:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/02 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/15 23:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/08 23:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/03 22:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/06/03 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/24 00:40 | Roberto Tadashi Ishikawa v Everton Vianna | L | 0-3 |
| Challenger Sao Paulo | 2022/07/23 23:40 | Roberto Tadashi Ishikawa v Allan Sarmento | L | 0-3 |
| Challenger Sao Paulo | 2022/07/23 22:40 | Roberto Tadashi Ishikawa v Pedro Andrade | W | 3-2 |
| Challenger Sao Paulo | 2022/07/23 22:00 | Luciano Pinto v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/07/23 21:20 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/07/21 02:20 | Roberto Tadashi Ishikawa v Alejandro Fernandez Junior | L | 0-3 |
| Challenger Sao Paulo | 2022/07/21 01:40 | Newton Takaki v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/07/21 01:00 | Fabio Mizutani v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/07/24 00:20 | Douglas Tomioka v Fabio Mizutani | W | 3-0 |
| Challenger Sao Paulo | 2022/07/24 00:00 | Luciano Pinto v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/23 23:00 | Douglas Tomioka v Rodolfo de Paula Vieira | W | 3-0 |
| Challenger Sao Paulo | 2022/07/23 21:40 | Douglas Tomioka v Everton Vianna | W | 3-1 |
| Challenger Sao Paulo | 2022/07/23 21:00 | Douglas Tomioka v Allan Sarmento | L | 0-3 |
| Challenger Sao Paulo | 2022/07/22 02:40 | Allan Sarmento v Douglas Tomioka | L | 3-0 |
| Challenger Sao Paulo | 2022/07/22 02:00 | Andre Cruz v Douglas Tomioka | W | 0-3 |
| Challenger Sao Paulo | 2022/07/22 01:20 | Everton Vianna v Douglas Tomioka | W | 0-3 |