Stadium: Indoor Court 3 Round: 62
| ITF Women Gimcheon | 2017/06/05 02:00 | Ryeong Gyeong Park v Hyejin Lee | 2-6,3-6 |
| ITF Women Gimcheon | 2018/08/12 01:00 | Hyejin Lee v Wing Kiu Jacqueline Lam | 4-6,2-6 |
| ITF Women Daegu Qual | 2018/06/17 01:00 | Hoyeon Nor v Hyejin Lee | 6-3,6-3 |
| ITF Women Sangju Qual | 2018/06/04 02:00 | Hyejin Lee v Seunghyun Lee | 4-6,7-5,2-6 |
| 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 | 2018/08/27 04:30 | Eun Se Jang v Ryeong Gyeong Park | 6-1,3-6,3-6 |
| ITF Women Gimcheon | 2018/08/21 01:00 | Ryeong Gyeong Park v Ramya Natarajan | 2-6,1-6 |
| ITF Women Gimcheon | 2018/08/20 02:00 | Ryeong Gyeong Park v Wing Kiu Jacqueline Lam | 6-4,6-3 |
| ITF Women Gimcheon | 2018/08/12 01:00 | Sakura Hosogi v Ryeong Gyeong Park | 6-2,2-6,6-2 |
| ITF Women Gyeongsan | 2018/06/13 04:10 | Chang Liu v Ryeong Gyeong Park | 6-3,6-3 |
| ITF Women Changwon Qual | 2018/05/20 06:00 | Ryeong Gyeong Park v Sang Hee Park | 4-6,2-6 |
| ITF Women Incheon Qual | 2018/05/13 04:30 | Sang Hee Park v Ryeong Gyeong Park | 6-0,6-3 |
| ITF Women Gimcheon | 2017/06/05 02:00 | Ryeong Gyeong Park v Hyejin Lee | 2-6,3-6 |