Stadium: Court 5 Round: 24 Ground: Hardcourt outdoor
| ITF Thailand F6 | 2016/12/29 03:00 | Yunseong Chung v Fajing Sun | 4-6,7-5,6-2 |
| ITF Thailand F4 | 2016/08/26 03:00 | Yunseong Chung v Fajing Sun | 4-6,3-6 |
| Challenger Shenzhen | 2019/03/14 02:30 | Yunseong Chung v Stefano Napolitano | 7-5,2-6,6-7 |
| Challenger Shenzhen | 2019/03/12 08:55 | Rudolf Molleker v Yunseong Chung | 4-6,1-6 |
| Challenger Shenzhen | 2019/03/11 05:10 | Yunseong Chung v Mohamed Safwat | 6-3,6-1 |
| Challenger Zhuhai | 2019/03/07 08:50 | Yunseong Chung v Marcos Baghdatis | 4-6,2-6 |
| Challenger Zhuhai | 2019/03/06 07:20 | Viktor Galovic v Yunseong Chung | 3-6,4-6 |
| Challenger Zhuhai | 2019/03/05 03:45 | Yunseong Chung v Harri Heliovaara | 7-5,6-2 |
| Challenger Yokohama | 2019/02/25 02:40 | Yunseong Chung v Tsung-Hua Yang | 4-6,3-6 |
| Challenger Bangkok 1A | 2019/02/19 03:00 | Gianluca Mager v Yunseong Chung | 6-4,6-4 |
| Challenger Zhangjiagang | 2019/03/18 02:00 | Colin Sinclair v Fajing Sun | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/02/24 08:00 | Filip Bergevi v Fajing Sun | 7-6,7-6 |
| ITF M15 Sharm El Sheikh | 2019/02/23 08:00 | Fajing Sun v Michael Geerts | 7-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/22 12:00 | Fajing Sun v Giorgio Ricca | 7-6,4-6,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/21 08:00 | Fajing Sun v Karl Friberg | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2019/02/20 10:15 | Fajing Sun v Linus Frost | 6-4,7-5 |
| ITF M15 Sharm El Sheikh | 2019/02/13 08:00 | Aaron Schmid v Fajing Sun | 7-6,6-4 |
| Challenger Shenzhen 2 | 2018/10/28 04:00 | Goncalo Oliveira v Fajing Sun | 7-6,7-5 |