| Challenger Sao Paulo | 2022/04/14 23:00 | Carlos Alberto Torres Ferraz v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/04/13 23:00 | Carlos Alberto Torres Ferraz v Roberto Tadashi Ishikawa | L | 3-2 |
| Challenger Sao Paulo | 2022/04/06 23:00 | Carlos Alberto Torres Ferraz v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/03/24 01:40 | Roberto Tadashi Ishikawa v Carlos Alberto Torres Ferraz | L | 1-3 |