Stadium: Center Court Round: 25
| Challenger Toyota Qual | 2017/11/11 05:30 | Takeuchi, Kento (1987) v Yi, Chu-Huan | 6-2,6-7,6-4 |
| Challenger Toyota Qual | 2017/11/11 02:15 | Yi, Chu-Huan v Sasai, Masaki | 4-6,6-3,6-4 |
| Challenger Kaohsiung Qual | 2017/09/30 07:20 | Yan Bai v Yi, Chu-Huan | 6-4,6-0 |
| Challenger Taipei Qual | 2017/04/15 04:30 | Yi, Chu-Huan v Roelofse, Ruan | 2-6,4-6 |
| Challenger Shanghai Qual | 2016/09/04 05:05 | Yi, Chu-Huan v Cem Ilkel | 2-6,7-6,2-6 |
| ITF Hong Kong F2 Qual | 2016/06/13 22:00 | Singh, Karunuday v Yi, Chu-Huan | 6-7,6-7 |
| ITF Hong Kong F1 | 2016/06/06 22:00 | Yi, Chu-Huan v Kelly, Dayne | 3-6,2-6 |
| Challenger Kaohsiung | 2015/09/22 03:00 | Yi, Chu-Huan v Yang, Tsung-Hua | 6-7,5-7 |
| Nanchang, China | 2018/04/19 04:30 | Nedovyesov, Aleksandr v Yunseong Chung | 6-4,6-2 |
| Nanchang, China | 2018/04/17 03:00 | Yunseong Chung v Tatsuma Ito | 6-4,7-6 |
| Challenger Nanchang Qual | 2018/04/15 05:25 | Mukund Sasikumar v Yunseong Chung | 2-6,4-6 |
| Challenger Nanchang Qual | 2018/04/14 04:40 | Wu, Hao v Yunseong Chung | 3-6,1-6 |
| Challenger Taipei Qual | 2018/04/07 02:00 | Grills, Jacob v Yunseong Chung | 6-3,2-6,6-2 |
| Challenger Qujing | 2018/03/20 04:45 | Jaziri, Malek v Yunseong Chung | 6-2,6-4 |
| Challenger Qujing Qual | 2018/03/18 05:45 | Yunseong Chung v Elgin, M. | 6-3,6-7,6-3 |
| Shenzhen, China, Qualifying | 2018/03/11 06:00 | Yunseong Chung v Quinzi, Gianluigi | 6-7,6-3,5-7 |