Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Yeongwol | 2019/08/27 04:00 | Yu Jin Ahn v Rina Saigo | 6-0,1-6,4-6 |
| ITF W15 Gimcheon | 2019/06/19 01:00 | Yu Jin Ahn v Shiori Fukuda | 6-3,1-6,1-6 |
| ITF W15 Gimcheon | 2019/06/11 05:00 | Sakura Hosogi v Yu Jin Ahn | 6-0,7-6 |
| ITF W25 Incheon | 2019/05/29 02:20 | Yu Jin Ahn v Ya-Hsuan Lee | 5-7,1-6 |
| ITF W25 Incheon | 2019/05/28 01:00 | Kanako Morisaki v Yu Jin Ahn | 6-3,3-6,7-10 |
| ITF W25 Goyang | 2019/05/20 07:05 | Dayeon Back v Yu Jin Ahn | 6-4,6-0 |
| ITF Women Yeongwol | 2018/09/08 03:00 | Yu Jin Ahn v Sunam Jeong | 2-6,5-7 |
| ITF Women Yeongwol | 2018/09/07 02:40 | Eun Ji Lee v Yu Jin Ahn | 6-4,1-6,2-6 |
| ITF W15 Yeongwol | 2019/08/25 01:00 | Dabin Oh v Sihyeong Cho | 6-3,6-3 |
| ITF W15 Gimcheon | 2019/06/11 01:00 | Hyojung Yea v Sihyeong Cho | 6-4,6-2 |
| ITF W15 Gimcheon | 2019/06/10 02:40 | Sihyeong Cho v Yu Shan | 5-7,7-5,10-8 |
| ITF Women Yeongwol | 2018/09/02 02:00 | Sihyeong Cho v Do Hee Bae | 7-5,4-6,3-6 |