Stadium: Court 2 Round: 46 Ground: Hardcourt outdoor
| ITF China F7 | 2018/06/01 06:15 | Xin Gao v Yunseong Chung | 6-0,6-7,6-3 |
| 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 |
| Challenger Kaohsiung | 2018/09/15 12:10 | Yunseong Chung v N. Vijay Sundar Prashanth | 7-5,6-2 |
| Challenger Shanghai | 2018/09/11 07:00 | Aldin Setkic v Yunseong Chung | 6-3,6-4 |
| Challenger Zhangjiagang | 2018/09/07 03:00 | Yunseong Chung v Alexander Bublik | 4-6,4-6 |
| Challenger Zhangjiagang | 2018/09/06 02:00 | Go Soeda v Yunseong Chung | 5-7,6-3,2-6 |
| Challenger Zhangjiagang | 2018/09/05 02:00 | Yunseong Chung v Roman Safiullin | 3-6,6-4,6-3 |
| Challenger Gwangju | 2018/08/14 01:00 | Yunseong Chung v Benjamin Lock | 4-6,6-4,3-6 |
| Challenger Lexington | 2018/08/04 19:50 | Yunseong Chung v Stefano Napolitano | 5-7,3-6 |
| Challenger Lexington | 2018/08/02 14:00 | Jeffrey John Wolf v Yunseong Chung | 3-6,7-6,5-7 |
| Challenger Kaohsiung | 2018/09/15 12:45 | Liang-Yu Lin v Xin Gao | 1-6,0-6 |
| Challenger Shanghai Qual | 2018/09/08 08:15 | Xin Gao v Dayne Kelly | 3-6,2-6 |
| Challenger Zhangjiagang | 2018/09/02 02:00 | Xin Gao v Dayne Kelly | 3-6,2-6 |
| Challenger Gwangju Qual | 2018/08/11 03:35 | Ji Hoon Son v Xin Gao | 7-5,6-3 |
| Challenger Chengdu | 2018/07/31 06:55 | Yibing Wu v Xin Gao | 6-0,6-1 |
| ITF China F10 | 2018/07/10 02:00 | Ji Hoon Son v Xin Gao | 6-7,6-7 |
| ITF China F9 | 2018/07/03 07:00 | Xin Gao v Hao Wu | 6-7,3-6 |
| ITF China F7 | 2018/06/02 04:40 | Xin Gao v Zhe Li | 6-2,3-6,2-6 |