| Challenger Sao Paulo | 2022/08/11 02:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 3-0 |
| Challenger Sao Paulo | 2022/07/21 01:40 | Newton Takaki v Roberto Tadashi Ishikawa | W | 3-1 |
| Challenger Sao Paulo | 2022/06/16 02:20 | Newton Takaki v Roberto Tadashi Ishikawa | L | 2-3 |
| Challenger Sao Paulo | 2022/06/09 01:40 | Roberto Tadashi Ishikawa v Newton Takaki | L | 3-2 |
| Challenger Sao Paulo | 2022/06/02 23:20 | Roberto Tadashi Ishikawa v Newton Takaki | L | 3-1 |
| Challenger Sao Paulo | 2022/05/13 00:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 2-3 |
| Challenger Sao Paulo | 2022/04/29 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 2-3 |
| Challenger Sao Paulo | 2022/04/21 01:00 | Roberto Tadashi Ishikawa v Newton Takaki | W | 1-3 |
| Challenger Sao Paulo | 2022/04/13 21:00 | Roberto Tadashi Ishikawa v Newton Takaki | L | 3-1 |