Stadium: Central Court Round: 24 Ground: Hardcourt outdoor
| Challenger Shenzhen | 2019/03/11 03:50 | Zihao Xia v Duckhee Lee | 3-6,1-6 |
| 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 Yokohama | 2019/02/26 04:25 | Tak Khunn Wang v Mats Moraing | 6-7,2-6 |
| Challenger Yokohama | 2019/02/25 05:15 | Shinji Hazawa v Tak Khunn Wang | 6-7,4-6 |
| Challenger Morelos | 2019/02/18 18:55 | Michael Redlicki v Tak Khunn Wang | 4-6,6-2,7-5 |
| Challenger Cherbourg | 2019/02/11 15:55 | Tak Khunn Wang v Baptiste Crepatte | 6-7,4-6 |
| Challenger Budapest | 2019/02/04 10:55 | Baptiste Crepatte v Tak Khunn Wang | 6-3,7-5 |
| Challenger Koblenz | 2019/01/15 16:50 | Adam Pavlasek v Tak Khunn Wang | 3-6,6-3,6-4 |
| Challenger Koblenz | 2019/01/14 18:10 | Tak Khunn Wang v Daniel Masur | 6-4,6-2 |
| Challenger Canberra | 2019/01/09 00:30 | Tak Khunn Wang v Hubert Hurkacz | 6-7,4-6 |