| ITF M15 Antalya | 02/24 06:55 | 25 | Yunseong Chung v Sean Cuenin | 6-3,3-6,4-6 | |
| ITF M15 Antalya | 02/19 09:45 | 27 | Yunseong Chung v Gabriel Donev | 3-6,4-6 | |
| ITF M15 Antalya | 02/18 11:50 | 26 | Yunseong Chung v Georgii Kravchenko | 6-2,5-7,6-3 | |
| ITF M15 Antalya | 02/16 08:30 | 25 | [365] Yunseong Chung v Alvaro Lopez San Martin [496] | 6-4,6-3 | |
| ITF M15 Antalya | 02/12 10:30 | 27 | [390] Agustin Velotti v Yunseong Chung [365] | 6-3,6-2 | |
| ITF M15 Antalya | 02/11 06:45 | 26 | [416] Genaro Alberto Olivieri v Yunseong Chung [365] | 6-4,2-6,3-6 | |
| ITF M15 Antalya | 02/10 06:55 | 25 | Sarp Agabigun v Yunseong Chung | 4-6,6-7 | |
| 2020 Davis Cup | 03/07 11:20 | 45 | [86] Stefano Travaglia v Yunseong Chung [333] | 6-0,6-1 | |
| ITF M25 Antalya | 02/26 10:30 | 25 | [404] Yshai Oliel v Yunseong Chung [334] | 6-2,6-4 | |
| ITF M25 Aktobe | 02/20 05:00 | 26 | Vladimir Ivanov v Yunseong Chung | 3-6,6-2,7-6 | |
| ITF M25 Aktobe | 02/19 07:15 | 25 | Riccardo Balzerani v Yunseong Chung | 6-3,4-6,4-6 | |
| ITF M25 Aktobe | 02/13 04:55 | 26 | Otto Virtanen v Yunseong Chung | 6-7,6-3,6-2 |