Head to Head
| California Int. Women | 2017/03/09 15:30 | Yufei Chen v Yu Sun | L | 0-2 |
| California Int. Women | 2016/11/17 03:00 | Yu Sun v Yufei Chen | L | 2-0 |
Home History
| All England Open | 2017/04/12 10:45 | Busanan Ongbumrungpan v Yufei Chen | W | 1-2 |
| All England Open | 2017/04/07 07:40 | Tzu Ying Tai v Yufei Chen | L | 2-1 |
| All England Open | 2017/04/06 10:00 | Yufei Chen v Jin Wei Goh | W | 2-0 |
| All England Open | 2017/04/05 08:00 | Pusarla V. Sindhu v Yufei Chen | W | 1-2 |
| All England Open | 2017/03/19 11:00 | Yufei Chen v Xiaoxin Chen | L | 0-2 |
| All England Open | 2017/03/18 17:30 | Chisato Hoshi v Yufei Chen | W | 0-2 |
| All England Open | 2017/03/17 17:30 | Yufei Chen v Sayaka Takahashi | W | 2-0 |
| All England Open | 2017/03/16 17:30 | Yufei Chen v Sabrina Jaquet | W | 2-0 |
Away History
| All England Open | 2017/04/12 11:30 | Dinar Dyah Ayustine v Yu Sun | W | 0-2 |
| All England Open | 2017/04/07 08:10 | Ji Hyun Sung v Yu Sun | L | 2-0 |
| All England Open | 2017/04/06 03:00 | Yu Sun v Beiwen Zhang | W | 2-1 |
| All England Open | 2017/04/05 05:40 | Yu Sun v Soniia Cheah | W | 2-0 |
| California Int. Women | 2017/03/10 17:50 | Akane Yamaguchi v Yu Sun | L | 2-1 |
| California Int. Women | 2017/03/09 15:30 | Yufei Chen v Yu Sun | W | 0-2 |
| California Int. Women | 2017/03/08 15:00 | Beiwen Zhang v Yu Sun | W | 0-2 |
| California Int. Women | 2016/12/17 08:00 | Tzu Ying Tai v Yu Sun | L | 2-0 |