Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Daegu | 2019/06/09 03:25 | Jung-Woong Na v Seong Chan Hong | 0-6,3-6 |
| ITF M15 Daegu | 2019/06/08 05:30 | Cheong-Eui Kim v Jung-Woong Na | 2-6,1-6 |
| ITF M15 Daegu | 2019/06/08 01:00 | Uisung Park v Jung-Woong Na | 1-6,4-6 |
| ITF M15 Daegu | 2019/06/06 02:00 | Jung-Woong Na v Seita Watanabe | 6-3,6-2 |
| ITF M15 Daegu | 2019/06/04 04:50 | Jung-Woong Na v Yong-Kyu Lim | 6-2,6-3 |
| Challenger Gwangju | 2019/05/13 02:00 | Tsung-Hua Yang v Jung-Woong Na | 6-3,7-6 |
| ITF M15 Anning | 2019/01/15 03:50 | Jung-Woong Na v Weiqiang Zheng | 0-6,6-2,4-6 |
| ITF M15 Anning | 2019/01/08 02:30 | Jung-Woong Na v Jie Cui | 2-6,6-3,4-6 |
| ITF M15 Daegu | 2019/06/08 05:30 | Cheong-Eui Kim v Jung-Woong Na | 2-6,1-6 |
| ITF M15 Daegu | 2019/06/08 01:00 | Cheong-Eui Kim v Sora Fukuda | 6-3,5-7,6-2 |
| ITF M15 Daegu | 2019/06/06 02:00 | Cheong-Eui Kim v Oh-Hee Kwon | 4-6,6-3,6-0 |
| ITF M15 Daegu | 2019/06/05 03:45 | Cheong-Eui Kim v Minjong Park | 6-4,6-3 |
| Challenger Gwangju | 2019/05/14 02:00 | Akira Santillan v Cheong-Eui Kim | 6-4,6-1 |
| Challenger Busan | 2019/05/06 02:00 | Maverick Banes v Cheong-Eui Kim | 6-1,7-6 |
| ITF M25 Matsuyama | 2019/04/12 02:55 | Rinky Hijikata v Cheong-Eui Kim | 6-3,6-1 |
| ITF M25 Matsuyama | 2019/04/10 07:05 | Sora Fukuda v Cheong-Eui Kim | 6-3,2-6,3-6 |