Face à face
| Japan Open 2019, WS | 2019/06/14 09:30 | Yingsha Sun v Ishikawa, Kasumi | L | 4-0 |
| Qatar Open 2019, MS | 2019/03/28 13:45 | Yingsha Sun v Ishikawa, Kasumi | L | 4-0 |
| Qatar Open 2019, MS | 2018/07/20 07:00 | Ishikawa, Kasumi v Yingsha Sun | W | 4-1 |
Home History
| Korea Open 2019, WS | 2019/07/05 04:25 | Ishikawa, Kasumi v Saki Shibata | W | 4-1 |
| Korea Open 2019, WS | 2019/07/04 06:20 | Ishikawa, Kasumi v Miyuu Kihara | W | 4-1 |
| Japan Open 2019, WS | 2019/06/14 09:30 | Yingsha Sun v Ishikawa, Kasumi | L | 4-0 |
| Japan Open 2019, WS | 2019/06/14 03:30 | Miyuu Kihara v Ishikawa, Kasumi | W | 0-4 |
| Hong Kong Open (WT) 2019, Women | 2019/06/07 06:00 | Ishikawa, Kasumi v Yidi Wang | L | 1-4 |
| Hong Kong Open (WT) 2019, Women | 2019/06/06 06:20 | Ishikawa, Kasumi v Mo Zhang | W | 4-0 |
| ITTF China Open 2019, WS | 2019/05/31 11:10 | Xingtong Chen v Ishikawa, Kasumi | L | 4-0 |
| ITTF China Open 2019, WS | 2019/05/30 08:05 | Xia Lian Ni v Ishikawa, Kasumi | W | 0-4 |
Away History
| Korea Open 2019, WS | 2019/07/05 09:40 | Yingsha Sun v Liu, Shiwen | W | 4-2 |
| Korea Open 2019, WS | 2019/07/04 06:20 | Yingsha Sun v Tianyi Qian | W | 4-3 |
| Japan Open 2019, WS | 2019/06/16 07:00 | Liu, Shiwen v Yingsha Sun | W | 3-4 |
| Japan Open 2019, WS | 2019/06/16 01:00 | Yingsha Sun v Meng Chen | W | 4-1 |
| Japan Open 2019, WS | 2019/06/15 08:40 | Manyu Wang v Yingsha Sun | W | 0-4 |
| Japan Open 2019, WS | 2019/06/14 09:30 | Yingsha Sun v Ishikawa, Kasumi | W | 4-0 |
| Japan Open 2019, WS | 2019/06/14 03:30 | Hyowon Suh v Yingsha Sun | W | 0-4 |
| Japan Open 2019, WS | 2019/06/13 03:50 | Yingsha Sun v Jieni Shao | W | 4-3 |
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