| Challenger Sao Paulo | 2022/08/18 02:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/08/11 22:00 | Douglas Tomioka v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/08/07 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| 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 | 2022/06/08 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 | 2022/05/26 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/13 01:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/05/08 02:20 | Douglas Tomioka v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/28 22:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 0-3 |
| Challenger Sao Paulo | 2022/04/21 01:40 | Douglas Tomioka v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/04/17 00:20 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 1-3 |
| Challenger Sao Paulo | 2022/04/08 01:00 | Roberto Tadashi Ishikawa v Douglas Tomioka | L | 1-3 |