Stadium: Court 11 Round: 25
| ITF Women Yeongwol | 2016/08/30 02:00 | Kim, Da Hye v Song, Ah | 6-7,6-4,6-3 |
| ITF Women Daegu Qual | 2018/06/18 03:30 | Han, Sung-Hee v Song, Ah | 7-5,6-4 |
| ITF Women Daegu Qual | 2018/06/17 02:00 | Kim, Eunseo v Song, Ah | 1-6,3-6 |
| ITF Women Gyeongsan Qual | 2018/06/12 04:00 | Song, Ah v Haine Ogata | 5-7,4-6 |
| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Takayama, Chihiro v Song, Ah | 2-6,4-6 |
| ITF Women Gyeongsan Qual | 2018/06/10 02:00 | Song, Ah v Nagomi Higashitani | 7-5,4-6,7-5 |
| ITF Women Sangju | 2018/06/06 01:00 | Song, Ah v Kim, Ju-Eun | 4-6,2-6 |
| ITF Women Incheon Qual | 2018/05/14 02:00 | Flink, Varvara v Song, Ah | 6-1,6-0 |
| ITF Women Incheon Qual | 2018/05/13 03:30 | Song, Ah v Lee, Yubean | 6-4,1-6,6-1 |
| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Jeong, Yeong Won v Kim, Da Hye | 6-1,7-6 |
| ITF Women Gyeongsan Qual | 2018/06/10 03:30 | Kim, Da Hye v Sakura Hosogi | 6-4,6-2 |
| ITF Women Sangju Qual | 2018/06/04 02:00 | Kim, Da Hye v Lee, Na-Young | 6-1,6-0 |
| Changwon, Singles Qualifying W-WITF-KOR-01A | 2018/05/21 01:00 | Kim, Da Hye v Sheng, Yuqi | 1-6,6-7 |
| Changwon, Singles Qualifying W-WITF-KOR-01A | 2018/05/20 02:00 | Ahn, Yu Jin v Kim, Da Hye | 2-6,7-5,0-6 |
| ITF Women Incheon Qual | 2018/05/14 02:00 | Kim, Da Hye v Barnett, Alicia | 3-6,2-6 |
| ITF Women Incheon Qual | 2018/05/13 01:00 | Kim, Da Hye v Frahn, Madison | 6-1,6-0 |
| ITF Women Goyang Qual | 2018/05/06 06:15 | Eunhye Lee v Kim, Da Hye | 6-4,6-3 |