Stadium: Center Court Round: 24 Ground: Hardcourt outdoor
| Challenger Yokohama | 2019/02/26 01:00 | Duckhee Lee v Zihao Xia | 6-0,6-3 |
| Challenger Nanchang | 2016/09/13 02:00 | Duckhee Lee v Zihao Xia | 6-1,5-7,3-6 |
| Challenger Zhuhai | 2019/03/05 02:00 | Zihao Xia v Max Purcell | 7-6,5-7,1-6 |
| Challenger Yokohama | 2019/02/26 01:00 | Duckhee Lee v Zihao Xia | 6-0,6-3 |
| 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 |
| Challenger Zhuhai | 2019/03/04 05:25 | Baptiste Crepatte v Duckhee Lee | 6-3,7-6 |
| Challenger Yokohama | 2019/03/01 02:00 | Duckhee Lee v Soonwoo Kwon | 1-6,0-6 |
| Challenger Yokohama | 2019/02/28 03:25 | Tatsuma Ito v Duckhee Lee | 3-6,6-4,6-7 |
| Challenger Yokohama | 2019/02/27 01:00 | Duckhee Lee v Enzo Couacaud | 6-0,6-2 |
| Challenger Yokohama | 2019/02/26 01:00 | Duckhee Lee v Zihao Xia | 6-0,6-3 |
| Challenger Bangkok 1A | 2019/02/19 07:35 | Alejandro Davidovich Fokina v Duckhee Lee | 6-4,6-2 |
| Challenger Bangkok 1A | 2019/02/18 06:35 | Duckhee Lee v Thanapet Chanta | 6-2,7-6 |
| Challenger Bangkok | 2019/02/12 08:15 | Duckhee Lee v Viktor Troicki | 1-6,2-6 |