Stadium: Court 15 Round: 62
| ITF Women Daegu Qual | 2018/06/17 01:00 | Йи, Хьююн v Lee, Jeongyun | 6-2,6-1 |
| ITF Women Gyeongsan Qual | 2018/06/10 03:30 | Койке, Сацуки v Lee, Jeongyun | 7-6,6-1 |
| ITF Women Goyang Qual | 2018/05/07 00:30 | Ми Чон Квон v Lee, Jeongyun | 4-6,0-6 |
| ITF Women Yeongwol | 2017/09/07 02:25 | Со-Ра Ли v Lee, Jeongyun | 6-3,6-4 |
| ITF Women Yeongwol | 2017/09/06 03:25 | Lee, Jeongyun v Сим, Сол Хи | 7-6,6-1 |
| ITF Women Yeongwol | 2017/09/05 01:00 | Ми Чон Квон v Lee, Jeongyun | 5-7,3-6 |
| ITF Women Yeongwol | 2017/09/04 02:00 | Юн, Юнсён v Lee, Jeongyun | 0-6,0-6 |
| ITF Women Yeongwol | 2017/08/31 01:00 | Дабин Ким v Lee, Jeongyun | 6-1,6-2 |