Stadium: Court 8 Round: 27 Ground: Hardcourt outdoor
| ITF Japan F3 | 2016/03/23 04:15 | Yunseong Chung v Xin Gao | 4-6,0-6 |
| ITF China F2 Qual | 2015/04/14 02:00 | Xin Gao v Yunseong Chung | 6-3,4-6,3-6 |
| ITF China F2 | 2015/04/07 05:00 | Xin Gao v Yunseong Chung | 6-4,3-6,1-6 |
| ITF China F7 | 2018/05/31 03:50 | Xin Gao v Aoran Wang | 6-0,6-3 |
| ITF China F7 | 2018/05/29 02:00 | Xin Gao v Rhett Purcell | 6-4,6-3 |
| ITF China F6 | 2018/05/17 02:00 | Xin Gao v Fajing Sun | 3-6,3-6 |
| ITF China F6 | 2018/05/15 03:20 | Xin Gao v Cheng Han | 6-2,6-2 |
| ITF China F5 | 2018/05/10 06:15 | Xin Gao v Kaito Uesugi | 7-6,5-7,3-6 |
| ITF China F5 | 2018/05/08 02:00 | Xin Gao v Aoran Wang | 6-2,6-3 |
| ITF China F4 | 2018/05/01 02:40 | Xin Gao v Naru Shirafuji | 7-5,6-4 |
| Challenger Nanchang | 2018/04/19 04:30 | Xin Gao v Quentin Halys | 2-6,1-6 |
| ITF China F7 | 2018/05/31 04:30 | Chien Hsun Lo v Yunseong Chung | 2-6,7-5,5-7 |
| ITF China F7 | 2018/05/29 05:30 | Zhenxiong Dong v Yunseong Chung | 2-6,1-6 |
| Challenger Busan | 2018/05/15 03:25 | Matthew Ebden v Yunseong Chung | 6-3,3-6,6-3 |
| Challenger Busan Qual | 2018/05/14 02:00 | Yunseong Chung v Luke Saville | 6-7,7-6,6-0 |
| Challenger Busan Qual | 2018/05/13 04:00 | Jason Kubler v Yunseong Chung | 3-6,2-6 |
| Challenger Busan Qual | 2018/05/12 02:55 | Yunseong Chung v Ben Patael | 6-3,6-2 |
| Challenger Gimcheon | 2018/05/08 04:05 | Jordan Thompson v Yunseong Chung | 6-4,6-1 |
| Challenger Seoul | 2018/05/01 06:00 | Lloyd Harris v Yunseong Chung | 5-7,6-3,6-0 |