Stadium: Court 12 Round: 62 Ground: Hardcourt outdoor
| WTA Seoul | 2019/09/14 04:35 | Priscilla Hon v Yu Jin Ahn | 6-3,6-1 |
| ITF W15 Yeongwol | 2019/09/07 05:30 | Dayeon Back v Yu Jin Ahn | 6-1,6-3 |
| ITF W15 Yeongwol | 2019/09/06 01:00 | Yu Jin Ahn v Seung-Yeon Hong | 7-6,6-1 |
| ITF W15 Yeongwol | 2019/09/05 03:15 | Hwiwon Wi v Yu Jin Ahn | 3-6,5-7 |
| ITF W15 Yeongwol | 2019/09/04 06:40 | Yu Jin Ahn v Sihyeong Cho | 6-4,7-5 |
| 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 |