| Challenger Sao Paulo | 2022/08/04 00:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/27 23:40 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/07/24 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| 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 | 2022/08/07 00:40 | Roberto Tadashi Ishikawa v Ricardo Mendes | W | 3-0 |
| Challenger Sao Paulo | 2022/08/06 23:40 | Roberto Tadashi Ishikawa v Daniel Lacerda | W | 3-1 |
| Challenger Sao Paulo | 2022/08/06 22:40 | Roberto Tadashi Ishikawa v Everton Vianna | L | 0-3 |
| Challenger Sao Paulo | 2022/08/06 22:00 | Alejandro Fernandez Junior v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/08/06 21:20 | Luciano Pinto v Roberto Tadashi Ishikawa | L | 3-2 |
| Challenger Sao Paulo | 2022/08/06 02:40 | Roberto Tadashi Ishikawa v Antonio Neto | W | 3-0 |
| Challenger Sao Paulo | 2022/08/06 02:00 | Roberto Tadashi Ishikawa v Luciano Martins Vieira Junior | W | 3-1 |
| Challenger Sao Paulo | 2022/08/06 01:00 | Roberto Tadashi Ishikawa v Fernando Santos | W | 3-1 |
| 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 | 2022/08/06 21:00 | Douglas Tomioka v Daniel Lacerda | W | 3-1 |
| Challenger Sao Paulo | 2022/08/05 02:20 | Douglas Tomioka v Andre Cruz | W | 3-0 |
| Challenger Sao Paulo | 2022/08/05 01:40 | Douglas Tomioka v Nelson Azuma | W | 3-0 |
| Challenger Sao Paulo | 2022/08/05 00:40 | Douglas Tomioka v Wagner Danilo | W | 3-0 |