Head to Head
| Qatar Open - Damer | 2018/09/30 08:00 | I-Ching Cheng v Kasumi Ishikawa | W | 4-1 |
| Qatar Open - Mixed dubbel | 2018/03/25 10:30 | I-Ching Cheng v Kasumi Ishikawa | L | 3-4 |
| Qatar Open - Damer | 2016/11/20 09:00 | Kasumi Ishikawa v I-Ching Cheng | L | 4-3 |
Home History
| Hungarian Open - Damer | 2020/02/22 09:00 | I-Ching Cheng v Hoi Kem Doo | W | 4-0 |
| Hungarian Open - Damer | 2020/02/21 12:00 | I-Ching Cheng v Xiaona Shan | W | 4-0 |
| Hungarian Open - Damer | 2020/02/20 15:00 | I-Ching Cheng v Suthasini Sawettabut | W | 4-0 |
| German Open - Damer | 2020/01/30 14:00 | Yidi Wang v I-Ching Cheng | L | 4-2 |
| World Team Olympic Quals Women | 2020/01/24 10:30 | Marie Migot v I-Ching Cheng | W | 0-3 |
| World Tour Grand Finals - Damer | 2019/12/13 02:00 | I-Ching Cheng v Mima Ito | L | 3-4 |
| T2 Diamond - Damer | 2019/11/22 04:00 | Yingsha Sun v I-Ching Cheng | L | 4-1 |
| Austrian Open - Damer | 2019/11/16 11:30 | Mima Ito v I-Ching Cheng | L | 4-1 |
Away History
| Hungarian Open - Damer | 2020/02/22 11:15 | Nina Mittelham v Kasumi Ishikawa | W | 0-4 |
| Hungarian Open - Damer | 2020/02/21 12:50 | Adriana Diaz v Kasumi Ishikawa | W | 1-4 |
| Hungarian Open - Damer | 2020/02/20 15:50 | Haruna Ojio v Kasumi Ishikawa | W | 0-4 |
| Portugal Open - Damer | 2020/02/16 17:00 | Kasumi Ishikawa v Saki Shibata | W | 4-0 |
| Portugal Open - Damer | 2020/02/16 10:00 | Kasumi Ishikawa v Miyu Kato | W | 4-2 |
| Portugal Open - Damer | 2020/02/15 17:40 | Kasumi Ishikawa v Britt Eerland | W | 4-1 |
| Portugal Open - Damer | 2020/02/15 11:20 | Kasumi Ishikawa v Xiaoxin Yang | W | 4-2 |
| Portugal Open - Damer | 2020/02/14 18:20 | Kasumi Ishikawa v Jinnipa Sawettabut | W | 4-0 |