Stadium: Court 1 Round: 166 Ground: Hardcourt outdoor
| Challenger Seoul | 2019/04/30 02:00 | Zihao Xia v Saketh Myneni | 4-6,1-6 |
| Challenger Seoul | 2019/04/29 02:00 | Zihao Xia v Jacob Grills | 3-6,7-6,3-6 |
| Challenger Nanchang | 2019/04/23 03:00 | Zihao Xia v Teymuraz Gabashvili | 2-6,5-7 |
| Challenger Anning | 2019/04/15 06:20 | Zihao Xia v Goncalo Oliveira | 2-6,0-6 |
| Challenger Zhangjiagang | 2019/03/19 04:40 | Zihao Xia v James Duckworth | 0-6,3-6 |
| Challenger Zhangjiagang | 2019/03/18 03:10 | Zihao Xia v Tak Khunn Wang | 1-6,7-6,6-3 |
| 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 |
| ITF Korea F4 | 2018/08/12 02:00 | Jung Ho Shin v Young Seok Lee | 3-6,3-6 |