| 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 | Sung-Hee Han v Ah Song | 7-5,6-4 |
| ITF Women Daegu Qual | 2018/06/17 02:00 | Eunseo Kim v Ah Song | 1-6,3-6 |
| ITF Women Gyeongsan Qual | 2018/06/12 04:00 | Ah Song v Haine Ogata | 5-7,4-6 |
| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Chihiro Takayama v Ah Song | 2-6,4-6 |
| ITF Women Gyeongsan Qual | 2018/06/10 02:00 | Ah Song v Nagomi Higashitani | 7-5,4-6,7-5 |
| ITF Women Sangju | 2018/06/06 01:00 | Ah Song v Ju-Eun Kim | 4-6,2-6 |
| ITF Women Incheon Qual | 2018/05/14 02:00 | Varvara Flink v Ah Song | 6-1,6-0 |
| ITF Women Gimcheon | 2018/08/21 01:00 | Dabin Oh v Jeongyun Lee | 6-4,6-3 |
| ITF Women Gimcheon | 2018/08/12 01:00 | Dabin Oh v Mijeong Park | 2-6,7-5,2-6 |
| ITF Women Daegu Qual | 2018/06/18 02:00 | Zhibek Kulambayeva v Dabin Oh | 6-1,6-3 |
| ITF Women Gyeongsan Qual | 2018/06/11 01:00 | I-Hsuan Cho v Dabin Oh | 2-6,6-2,6-1 |
| ITF Women Sangju Qual | 2018/06/05 02:40 | Dabin Oh v Dayeon Back | 0-6,2-6 |
| ITF Women Sangju Qual | 2018/06/04 03:30 | Jiakang Li v Dabin Oh | 4-6,2-6 |
| ITF Women Sangju Qual | 2018/06/03 03:30 | Dabin Oh v Fatima Bizhukova | 6-2,6-4 |
| ITF Women Changwon Qual | 2018/05/20 02:00 | Mijeong Park v Dabin Oh | 7-6,6-4 |