Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| Challenger - Gwangju | 2019/05/13 02:00 | Yang, Tsung-Hua v Na, Jung-Woong | 6-3,7-6 |
| ITF M15 Anning | 2019/01/15 03:50 | Na, Jung-Woong v Zheng, Weiqiang | 0-6,6-2,4-6 |
| ITF M15 Anning | 2019/01/08 02:30 | Na, Jung-Woong v Jie Cui | 2-6,6-3,4-6 |
| ITF M15 Anning | 2019/01/05 04:45 | Eric Vanshelboim v Na, Jung-Woong | 6-7,7-5,6-4 |
| ITF M15 Anning | 2019/01/04 04:25 | Tao Mu v Na, Jung-Woong | 5-7,5-7 |
| ITF M15 Anning | 2019/01/03 03:55 | Na, Jung-Woong v Nitin Kumar Sinha | 6-4,6-4 |
| ITF M15 Anning | 2019/01/02 02:00 | Ruikai Wang v Na, Jung-Woong | 2-6,2-6 |
| ITF Thailand F9 | 2018/11/12 03:00 | Spec, Matic v Na, Jung-Woong | 2-6,6-3,6-2 |
| Coupe Davis | 2018/09/15 05:35 | Lim, Yong-Kyu v Venus, Michael | 7-6,6-4 |
| ITF Korea F1 | 2018/06/10 03:00 | Lim, Yong-Kyu v Jeamoon Lee | 6-4,7-6 |
| ITF Korea F1 | 2018/06/09 01:00 | Kim, Cheong-Eui v Lim, Yong-Kyu | 2-6,3-6 |
| ITF Korea F1 | 2018/06/08 02:00 | Nam, Ji Sung v Lim, Yong-Kyu | 1-6,2-6 |
| ITF Korea F1 | 2018/06/07 02:35 | Park, Minjong v Lim, Yong-Kyu | 5-7,1-6 |
| ITF Korea F1 | 2018/06/06 03:20 | Lim, Yong-Kyu v Song, Min-Kyu | 4-6,6-4,6-1 |
| Challenger Busan Qual | 2018/05/12 04:05 | Lim, Yong-Kyu v Wishaya Trongcharoenchaikul | 7-6,6-7,2-6 |
| Challenger Gimcheon Qual | 2018/05/06 04:30 | Lim, Yong-Kyu v Wishaya Trongcharoenchaikul | 6-2,6-7,4-6 |