Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Anseong | 2019/06/28 03:00 | Jung-Woong Na v Cheong-Eui Kim | 2-6,2-6 |
| ITF M15 Gimcheon | 2019/06/12 04:05 | Jung-Woong Na v Cheong-Eui Kim | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/08 05:30 | Cheong-Eui Kim v Jung-Woong Na | 2-6,1-6 |
| ITF Korea F4 | 2017/06/22 02:00 | Jung-Woong Na v Cheong-Eui Kim | 6-4,2-6,1-6 |
| ITF China F1 | 2014/03/04 02:00 | Jung-Woong Na v Cheong-Eui Kim | 6-7,3-6 |