[128] Jason Jung 6-2,6-1 Duckhee Lee [250] 2019-11-12 14:30
Stadium: Center Round: 28 Ground: Hardcourt outdoor
Head to Head
| Challenger Kaohsiung | 2018/09/20 10:00 | Jason Jung v Duckhee Lee | 6-7,4-6 |
| Challenger Shenzhen | 2018/03/13 05:55 | Jason Jung v Duckhee Lee | 6-4,5-7,4-6 |
| Challenger Kaohsiung | 2017/10/03 10:00 | Jason Jung v Duckhee Lee | 3-6,6-2,7-6 |
| Challenger Zhangjiagang | 2017/09/05 06:35 | Jason Jung v Duckhee Lee | 6-4,6-1 |
Home History
| Challenger Shenzhen 2 | 2019/11/01 04:00 | Jason Jung v Frederico Ferreira Silva | 6-7,6-4,4-6 |
| Challenger Shenzhen 2 | 2019/10/31 02:00 | Jason Jung v Tung-Lin Wu | 7-6,6-4 |
| Challenger Shenzhen 2 | 2019/10/29 06:25 | Jason Jung v Bruno Santanna | 6-4,6-3 |
| Challenger Liuzhou | 2019/10/25 02:00 | Borna Gojo v Jason Jung | 7-6,6-1 |
| Challenger Liuzhou | 2019/10/24 02:00 | Jie Cui v Jason Jung | 5-7,4-6 |
| Challenger Liuzhou | 2019/10/23 03:55 | Toshihide Matsui v Jason Jung | 2-6,2-6 |
| Challenger Ningbo | 2019/10/15 08:40 | Jason Jung v Akira Santillan | 7-6,6-7,5-7 |
| ATP Beijing | 2019/09/28 08:00 | Jason Jung v Dominik Koepfer | 3-6,7-6,4-6 |
Away History
| Challenger Kobe | 2019/11/05 02:50 | Duckhee Lee v Shintaro Imai | 4-6,2-6 |
| Challenger Shenzhen 2 | 2019/10/29 03:10 | Soonwoo Kwon v Duckhee Lee | 6-2,6-2 |
| Challenger Shenzhen 2 | 2019/10/28 05:10 | Kaichi Uchida v Duckhee Lee | 5-7,1-6 |
| Challenger Liuzhou | 2019/10/22 03:35 | Duckhee Lee v Jie Cui | 2-6,4-6 |
| ATP Winston-Salem | 2019/08/20 19:10 | Duckhee Lee v Hubert Hurkacz | 6-4,0-6,3-6 |
| ATP Winston-Salem | 2019/08/19 19:00 | Duckhee Lee v Henri Laaksonen | 7-6,6-1 |
| Challenger Vancouver | 2019/08/14 17:00 | Duckhee Lee v Malek Jaziri | 6-2,4-6,1-6 |
| Challenger Vancouver | 2019/08/13 17:00 | Duckhee Lee v Maverick Banes | 6-1,6-4 |