Stadium: Center Court Round: 24 Ground: Hardcourt outdoor
| ITF Korea F1 | 2016/06/15 04:50 | Yunseong Chung v Jeamoon Lee | 6-1,6-3 |
| Challenger Seoul | 2019/04/30 07:00 | Nikola Milojevic v Jeamoon Lee | 6-7,6-3,6-3 |
| Challenger Seoul | 2019/04/29 06:15 | Dong Ju Kim v Jeamoon Lee | 2-6,2-6 |
| ITF Korea F6 | 2018/08/29 03:00 | Jeamoon Lee v Seon Yong Han | 4-6,6-4,6-7 |
| ITF Korea F3 | 2018/06/21 01:00 | Ji Sung Nam v Jeamoon Lee | 7-5,6-3 |
| ITF Korea F3 | 2018/06/19 07:00 | Ji Hoon Son v Jeamoon Lee | 3-6,4-6 |
| ITF Korea F2 | 2018/06/14 01:00 | Jeamoon Lee v Ji Sung Nam | 2-6,0-6 |
| ITF Korea F2 | 2018/06/13 06:05 | Yu Hsiang Chiu v Jeamoon Lee | 4-6,4-6 |
| ITF Korea F1 | 2018/06/10 03:00 | Yong-Kyu Lim v Jeamoon Lee | 6-4,7-6 |
| Challenger Busan | 2019/05/10 07:05 | Ricardas Berankis v Yunseong Chung | 5-7,6-3,6-4 |
| Challenger Busan | 2019/05/09 06:45 | Yunseong Chung v Marcos Baghdatis | 6-2,6-3 |
| Challenger Busan | 2019/05/07 04:05 | Nikola Milojevic v Yunseong Chung | 2-6,6-3,5-7 |
| Challenger Busan | 2019/05/06 04:10 | Yunseong Chung v Zhe Li | 3-6,6-3,6-4 |
| Challenger Seoul | 2019/05/02 04:00 | Yasutaka Uchiyama v Yunseong Chung | 6-4,6-4 |
| Challenger Seoul | 2019/05/01 05:20 | Yunseong Chung v Yuichi Sugita | 6-2,6-3 |
| Challenger Seoul | 2019/04/29 07:55 | Stephane Robert v Yunseong Chung | 6-1,2-6,4-6 |
| Challenger Nanchang | 2019/04/23 05:55 | Adam Pavlasek v Yunseong Chung | 6-3,6-2 |