Stadium: Court 11 Round: 28
| WTA Seoul Qual | 2016/09/17 02:00 | Sang Hee Park v Yu Jin Ahn | 4-6,6-4,6-4 |
| ITF Women Gimcheon | 2018/08/16 01:00 | Tamara Barad Itzhaki v Sang Hee Park | 5-7,1-6 |
| ITF Women Gimcheon | 2018/08/14 02:50 | Han Byeol Lee v Sang Hee Park | 2-6,4-6 |
| ITF Women Daegu Qual | 2018/06/19 01:00 | Sang Hee Park v Chang Liu | 0-6,2-6 |
| ITF Women Daegu Qual | 2018/06/18 03:30 | Sang Hee Park v Haine Ogata | 6-2,6-1 |
| ITF Women Gyeongsan | 2018/06/14 01:00 | Sang Hee Park v Sunam Jeong | 4-6,2-6 |
| ITF Women Gyeongsan | 2018/06/13 01:00 | SinHee Kim v Sang Hee Park | 2-6,5-7 |
| ITF Women Sangju Qual | 2018/06/04 01:00 | Sang Hee Park v Hoyeon Nor | 6-2,6-3 |
| ITF Women Changwon Qual | 2018/05/22 01:00 | Nadja Gilchrist v Sang Hee Park | 6-4,7-5 |
| ITF Women Gimcheon | 2018/08/17 01:00 | Do Hee Bae v Yu Jin Ahn | 6-3,1-6,3-6 |
| ITF Women Gimcheon | 2018/08/16 01:00 | Ah Song v Yu Jin Ahn | 4-6,1-6 |
| ITF Women Daegu Qual | 2018/06/18 03:30 | Kotomi Takahata v Yu Jin Ahn | 6-1,6-4 |
| ITF Women Daegu Qual | 2018/06/17 04:30 | Da Ye Kim v Yu Jin Ahn | 6-0,5-7,3-6 |
| ITF Women Sangju | 2018/06/05 03:50 | Aiko Yoshitomi v Yu Jin Ahn | 6-1,6-1 |
| ITF Women Changwon Qual | 2018/05/20 02:00 | Yu Jin Ahn v Da Hye Kim | 2-6,7-5,0-6 |
| ITF Women Incheon Qual | 2018/05/14 02:00 | Ya-Hsuan Lee v Yu Jin Ahn | 6-3,6-1 |
| ITF Women Incheon Qual | 2018/05/13 01:00 | You-Na Sul v Yu Jin Ahn | 4-6,3-6 |