| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Yeong Won Jeong v Da Hye Kim | 6-1,7-6 |
| ITF Women Gimcheon | 2018/08/16 01:00 | Seung-Yeon Hong v Yeong Won Jeong | 7-5,6-4 |
| ITF Women Gimcheon | 2018/08/14 02:45 | Yuka Hosoki v Yeong Won Jeong | 2-6,0-6 |
| ITF Women Daegu | 2018/06/20 02:50 | Yeong Won Jeong v Ya-Hsuan Lee | 0-6,7-6,2-6 |
| ITF Women Daegu Qual | 2018/06/19 01:00 | Sung-Hee Han v Yeong Won Jeong | 3-6,4-6 |
| ITF Women Daegu Qual | 2018/06/18 02:00 | You-Na Sul v Yeong Won Jeong | 3-6,1-6 |
| ITF Women Gyeongsan | 2018/06/13 05:55 | Chisa Hosonuma v Yeong Won Jeong | 4-6,3-6 |
| ITF Women Gyeongsan Qual | 2018/06/12 01:00 | Yeong Won Jeong v Mami Hasegawa | 6-4,7-6 |
| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Yeong Won Jeong v Da Hye Kim | 6-1,7-6 |
| ITF Women Gimcheon | 2018/08/22 01:00 | Sun Bin Kim v Da Hye Kim | 1-6,0-6 |
| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Yeong Won Jeong v Da Hye Kim | 6-1,7-6 |
| ITF Women Gyeongsan Qual | 2018/06/10 03:30 | Da Hye Kim v Sakura Hosogi | 6-4,6-2 |
| ITF Women Sangju Qual | 2018/06/04 02:00 | Da Hye Kim v Na-Young Lee | 6-1,6-0 |
| ITF Women Changwon Qual | 2018/05/21 01:00 | Da Hye Kim v Yuqi Sheng | 1-6,6-7 |
| 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 | Da Hye Kim v Alicia Barnett | 3-6,2-6 |
| ITF Women Incheon Qual | 2018/05/13 01:00 | Da Hye Kim v Madison Frahn | 6-1,6-0 |