| Challenger Sao Paulo | 2022/04/27 22:20 | De Hong Jung v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/04/20 21:00 | Roberto Tadashi Ishikawa v De Hong Jung | W | 3-2 |
| Challenger Sao Paulo | 2022/04/14 02:40 | De Hong Jung v Roberto Tadashi Ishikawa | L | 3-1 |
| Challenger Sao Paulo | 2022/04/07 01:00 | Roberto Tadashi Ishikawa v De Hong Jung | L | 0-3 |
| Challenger Sao Paulo | 2022/03/23 21:20 | Roberto Tadashi Ishikawa v De Hong Jung | L | 0-3 |
| Challenger Sao Paulo | 2022/05/07 23:20 | Everton Vianna v Roberto Tadashi Ishikawa | L | 3-0 |
| Challenger Sao Paulo | 2022/05/07 22:20 | Roberto Tadashi Ishikawa v Alexandre Tamaoki | W | 3-0 |
| Challenger Sao Paulo | 2022/05/07 02:20 | Jefferson Silva v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/05/07 01:40 | Roberto Tadashi Ishikawa v Jocimar Silva | W | 3-0 |
| Challenger Sao Paulo | 2022/05/07 01:00 | Fernando Santos v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/07 00:20 | Marco Cruz v Roberto Tadashi Ishikawa | W | 0-3 |
| Challenger Sao Paulo | 2022/05/06 23:40 | Roberto Tadashi Ishikawa v Alexandre Tamaoki | W | 3-0 |
| Challenger Sao Paulo | 2022/05/06 23:20 | Luciano Martins Vieira Junior v Roberto Tadashi Ishikawa | W | 2-3 |
| Challenger Sao Paulo | 2022/05/07 23:00 | Alejandro Fernandez Junior v De Hong Jung | L | 3-1 |
| Challenger Sao Paulo | 2022/05/07 22:20 | Lennon Uehara v De Hong Jung | L | 3-2 |
| Challenger Sao Paulo | 2022/05/07 21:40 | Diogo Silva v De Hong Jung | L | 3-0 |
| Challenger Sao Paulo | 2022/05/06 02:00 | Guilherme Rezende v De Hong Jung | L | 3-0 |
| Challenger Sao Paulo | 2022/05/06 01:20 | De Hong Jung v Diogo Silva | L | 0-3 |
| Challenger Sao Paulo | 2022/05/06 00:20 | De Hong Jung v Rodrigo Procidonio Ruiz | W | 3-1 |
| Challenger Sao Paulo | 2022/05/05 23:40 | Newton Takaki v De Hong Jung | W | 1-3 |
| Challenger Sao Paulo | 2022/05/05 23:00 | De Hong Jung v Alejandro Fernandez Junior | W | 3-1 |