Stadium: Court 1 Round: 62
| ITF Women Yeongwol | 2018/08/29 02:55 | Hanna Chang v Yun, Hyeran | 6-3,6-2 |
| ITF Women Yeongwol | 2018/08/28 02:00 | Ashmitha Easwaramurthi v Yun, Hyeran | 1-6,2-6 |
| ITF Women Yeongwol | 2018/08/27 04:30 | Yoo, Jin v Yun, Hyeran | 5-7,1-6 |
| Changwon, Singles Qualifying W-WITF-KOR-01A | 2018/05/21 03:30 | Yun, Hyeran v Park, Sang Hee | 3-6,5-7 |
| Changwon, Singles Qualifying W-WITF-KOR-01A | 2018/05/20 06:00 | Yun, Hyeran v Ji Min Park | 6-3,6-1 |
| ITF Women Goyang Qual | 2018/05/06 05:15 | Ahn, Yu Jin v Yun, Hyeran | 6-0,6-4 |
| ITF Women Sangju | 2017/05/28 01:00 | Yun, Hyeran v Oh, Soo Bin | 4-6,6-4,2-6 |
| ITF Women Goyang Qual | 2017/05/22 02:00 | Zhang, Ling v Yun, Hyeran | 6-4,6-3 |