Stadium: Center Court Round: 24 Ground: Hardcourt outdoor
| Challenger Nanchang | 2016/09/13 02:00 | Duckhee Lee v Zihao Xia | 6-1,5-7,3-6 |
| Challenger Canberra | 2019/01/06 04:25 | Thomas Fancutt v Zihao Xia | 6-3,6-2 |
| ITF M25 Hong Kong | 2019/01/02 06:35 | Zihao Xia v Kuan-Yi Lee | 1-6,2-6 |
| ITF Hong Kong F3 | 2018/12/25 03:45 | Arthur Rinderknech v Zihao Xia | 6-7,6-3,6-2 |
| Challenger Shenzhen 2 | 2018/10/30 02:00 | Zihao Xia v Thomas Fabbiano | 3-6,2-6 |
| Challenger Liuzhou | 2018/10/20 06:35 | Sumit Nagal v Zihao Xia | 6-2,6-2 |
| Challenger Ningbo | 2018/10/15 04:25 | Hubert Hurkacz v Zihao Xia | 6-3,7-6 |
| ATP Chengdu | 2018/09/22 05:00 | Zihao Xia v Prajnesh Gunneswaran | 2-6,5-7 |
| Challenger Gwangju | 2018/08/16 06:00 | Zihao Xia v Ji Sung Nam | 2-6,3-6 |
| Australian Open | 2019/01/08 02:55 | Gregoire Barrere v Duckhee Lee | 6-3,6-2 |
| Challenger Noumea | 2019/01/01 01:25 | Duckhee Lee v Hugo Nys | 6-4,4-6,2-6 |
| Australian Open WC | 2018/12/01 05:50 | Duckhee Lee v Zhe Li | 6-7,3-6 |
| Australian Open WC | 2018/11/30 06:30 | Duckhee Lee v Renta Tokuda | 6-4,6-4 |
| Australian Open WC | 2018/11/29 04:40 | Duckhee Lee v Hanyi Liu | 6-1,6-2 |
| Challenger Liuzhou | 2018/10/24 06:00 | Radu Albot v Duckhee Lee | 6-2,7-5 |
| Challenger Liuzhou | 2018/10/22 04:15 | Duckhee Lee v Tsung-Hua Yang | 6-2,6-3 |
| Challenger Tashkent | 2018/10/08 14:10 | Evgeny Karlovskiy v Duckhee Lee | 7-6,6-4 |