Stadium: Court 7 Round: 44
| ITF Women Changwon | 2018/05/23 03:30 | Katy Dunne v Hyejin Lee | 7-5,3-6,6-2 |
| ITF Women Incheon Qual | 2018/05/13 02:00 | Hyejin Lee v Qianxin Kong | 6-1,5-7,5-7 |
| ITF Women Goyang Qual | 2018/05/07 00:30 | Freya Christie v Hyejin Lee | 6-0,6-1 |
| ITF Women Goyang Qual | 2018/05/06 05:15 | Sujin Yoon v Hyejin Lee | 2-6,6-3,5-7 |
| ITF Women Yeongwol | 2017/08/29 01:00 | Eunhye Lee v Hyejin Lee | 6-2,7-6 |
| ITF Women Yeongwol | 2017/08/28 02:00 | Sun Bin Kim v Hyejin Lee | 2-6,2-6 |
| ITF Women Yeongwol | 2017/08/27 03:00 | Hyejin Lee v Ai Kamiyoshihara | 6-4,7-6 |
| ITF Women Gimcheon | 2017/06/07 01:00 | Aiko Yoshitomi v Hyejin Lee | 7-5,6-1 |
| ITF Women Incheon Qual | 2018/05/13 03:30 | Se-Hyun Kim v Seunghyun Lee | 6-2,6-0 |
| ITF Women Goyang Qual | 2018/05/07 00:30 | Jin Yoo v Seunghyun Lee | 6-2,6-2 |
| ITF Women Gimcheon | 2017/06/05 02:00 | Sari Baba v Seunghyun Lee | 6-0,6-2 |
| ITF Women Gimcheon | 2017/06/04 02:00 | Seunghyun Lee v Dabin Oh | 6-7,6-1,6-3 |
| ITF Women Sangju | 2017/05/30 02:45 | Sari Baba v Seunghyun Lee | 7-5,6-1 |
| ITF Women Yeongwol | 2016/09/05 01:00 | Mijeong Park v Seunghyun Lee | 6-2,6-3 |
| ITF Women Yeongwol | 2016/09/04 02:00 | Ye Jin Kim v Seunghyun Lee | 3-6,0-6 |
| ITF Women Yeongwol | 2016/08/28 03:00 | Seunghyun Lee v Sol Hee Sim | 1-6,2-6 |