Stadium: Court D Round: 62 Ground: Hardcourt outdoor
| ITF Women Changwon Qual | 2018/05/20 06:00 | Hyeran Yun v Ji Min Park | 6-3,6-1 |
| ITF Women Goyang Qual | 2018/05/06 05:15 | Yu Jin Ahn v Hyeran Yun | 6-0,6-4 |
| ITF Women Sangju | 2017/05/28 01:00 | Hyeran Yun v Dabin Oh | 4-6,6-4,2-6 |
| ITF Women Goyang Qual | 2017/05/22 02:00 | Ling Zhang v Hyeran Yun | 6-4,6-3 |
| ITF Women Goyang Qual | 2017/05/21 01:00 | Sumin Kim v Hyeran Yun | 1-6,6-0,4-6 |
| ITF Women Incheon Qual | 2017/05/14 03:00 | Hyeran Yun v Desirae Krawczyk | 0-6,1-6 |
| ITF Women Changwon Qual | 2018/05/20 06:00 | Ryeong Gyeong Park v Sang Hee Park | 4-6,2-6 |
| ITF Women Incheon Qual | 2018/05/14 05:00 | Sang Hee Park v Dominique Schaefer | 4-6,4-6 |
| ITF Women Incheon Qual | 2018/05/13 04:30 | Sang Hee Park v Ryeong Gyeong Park | 6-0,6-3 |
| ITF Women Goyang | 2018/05/10 01:00 | Sang Hee Park v Ji-Hee Choi | 3-6,3-6 |
| ITF Women Goyang | 2018/05/09 05:40 | Sang Hee Park v Dabin Kim | 6-3,6-4 |
| ITF Women Nishi-Tama | 2018/03/17 03:00 | Sang Hee Park v Mayuka Aikawa | 6-2,5-7,2-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Kisa Yoshioka v Sang Hee Park | 6-1,6-1 |
| ITF Women Sharm El Sheikh | 2017/11/16 14:00 | Clemence Fayol v Sang Hee Park | 6-2,6-0 |