Stadium: Court C Round: 14 Ground: Hardcourt indoor
| Challenger Gwangju | 2019/05/15 03:40 | Duckhee Lee v Yunseong Chung | 4-6,2-6 |
| ITF M25 Tulsa | 2022/06/22 01:10 | Ezekiel Clark v Yunseong Chung | 4-6,3-6 |
| ITF M25 Santo Domingo | 2022/06/17 14:00 | Martin Damm v Yunseong Chung | 2-6,6-2,7-6 |
| ITF M25 Santo Domingo | 2022/06/16 13:30 | Arvid Nordquist v Yunseong Chung | 6-7,4-6 |
| ITF M25 Santo Domingo | 2022/06/15 15:15 | Alejandro Jose Gandini v Yunseong Chung | 2-6,2-6 |
| Challenger Orlando | 2022/06/05 20:05 | Matija Pecotic v Yunseong Chung | 0-6,6-3,6-2 |
| Challenger Little Rock | 2022/05/30 16:40 | Adrian Menendez-Maceiras v Yunseong Chung | 1-6,6-0,6-4 |
| Challenger Morelos | 2022/04/30 20:00 | Adrian Menendez-Maceiras v Yunseong Chung | 1-6,6-1,6-4 |
| Challenger Morelos | 2022/04/29 18:00 | Yunseong Chung v Keegan Smith | 6-1,6-4 |
| ITF M15 Chiang Rai | 2022/06/21 06:45 | Tsung-Hao Huang v Duckhee Lee | 6-4,3-6,6-2 |
| ITF M15 Chiang Rai | 2022/06/16 07:00 | Thanapet Chanta v Duckhee Lee | 6-4,7-5 |
| ITF M15 Chiang Rai | 2022/06/16 03:25 | S D Prajwal Dev v Duckhee Lee | 1-6,5-7 |
| ITF M15 Sharm El Sheikh | 2022/03/09 09:55 | Duckhee Lee v Filip Duda | 6-0,7-5 |
| ITF M15 Sharm El Sheikh | 2022/03/03 08:00 | Duckhee Lee v Jakub Mensik | 6-4,6-1 |
| ITF M15 Sharm El Sheikh | 2022/03/02 09:55 | Duckhee Lee v Stepan Pecak | 6-2,6-0 |
| ITF M15 Sharm El Sheikh | 2022/02/26 08:55 | Nicholas David Ionel v Duckhee Lee | 0-6,6-2,7-5 |
| ITF M15 Sharm El Sheikh | 2022/02/25 08:00 | Duckhee Lee v Ji Hoon Son | 6-2,6-1 |