Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| 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 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 Anning | 2019/01/05 04:45 | Eric Vanshelboim v Jung-Woong Na | 6-7,7-5,6-4 |
| ITF M15 Anning | 2019/01/04 04:25 | Tao Mu v Jung-Woong Na | 5-7,5-7 |
| ITF M15 Anning | 2019/01/03 03:55 | Jung-Woong Na v Nitin Kumar Sinha | 6-4,6-4 |
| ITF M15 Anning | 2019/01/02 02:00 | Ruikai Wang v Jung-Woong Na | 2-6,2-6 |
| ITF Thailand F9 | 2018/11/12 03:00 | Matic Spec v Jung-Woong Na | 2-6,6-3,6-2 |
| ITF Thailand F9 | 2018/11/11 07:30 | Chayanon Kaewsuto v Jung-Woong Na | 1-6,6-3,3-6 |
| Challenger Zhangjiagang | 2019/03/18 03:35 | Evgeny Karlovskiy v Cheong-Eui Kim | 6-2,7-5 |
| Challenger Yokohama | 2019/02/27 05:50 | Go Soeda v Cheong-Eui Kim | 6-1,6-4 |
| Challenger Yokohama | 2019/02/26 01:00 | Cheong-Eui Kim v Naoto Kai | 6-1,6-3 |
| Challenger Yokohama | 2019/02/25 01:00 | Cheong-Eui Kim v Shintaro Imai | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2019/02/21 08:00 | Cheong-Eui Kim v Filip Bergevi | 6-1,6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2019/02/20 08:00 | Cheong-Eui Kim v Claudio Fortuna | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/16 09:45 | Tung-Lin Wu v Cheong-Eui Kim | 6-4,4-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/15 08:00 | Cheong-Eui Kim v Vladyslav Manafov | 6-4,6-2 |