Stadium: Indoor 3 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Goyang | 2019/05/20 01:00 | Hyeran Yun v Ayumi Koshiishi | 4-6,3-6 |
| ITF Women Yeongwol | 2018/08/29 02:55 | Hanna Chang v Hyeran Yun | 6-3,6-2 |
| ITF Women Yeongwol | 2018/08/28 02:00 | Ashmitha Easwaramurthi v Hyeran Yun | 1-6,2-6 |
| ITF Women Yeongwol | 2018/08/27 04:30 | Jin Yoo v Hyeran Yun | 5-7,1-6 |
| ITF Women Changwon Qual | 2018/05/21 03:30 | Hyeran Yun v Sang Hee Park | 3-6,5-7 |
| 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 W25 Goyang | 2019/05/23 02:00 | Maia Lumsden v Yeong Won Jeong | 6-1,6-1 |
| ITF W25 Goyang | 2019/05/22 01:00 | Hanna Chang v Yeong Won Jeong | 3-6,6-3,4-6 |
| ITF W25 Changwon | 2019/05/15 01:00 | Ya-Hsuan Lee v Yeong Won Jeong | 6-0,6-2 |
| ITF W25 Changwon | 2019/05/14 01:00 | Yeong Won Jeong v Dayeon Back | 6-4,6-1 |
| ITF W25 Changwon | 2019/05/13 04:15 | Yeong Won Jeong v Su Yeon Chun | 6-0,6-2 |
| ITF Women Antalya | 2018/12/14 10:05 | Yeong Won Jeong v Monica Robinson | 6-3,6-2 |
| ITF Women Antalya | 2018/12/13 10:25 | Utaka Kishigami v Yeong Won Jeong | 4-6,6-4,2-6 |
| ITF Women Antalya | 2018/12/12 09:45 | Anastasia Sukhotina v Yeong Won Jeong | 7-6,2-6,3-6 |