Stadium: Court 3 Round: 44 Ground: Hardcourt outdoor
| ITF China F10 Qual | 2018/07/07 02:00 | Zou, Weibowen v Kai, Wai Yu | 6-3,7-6 |
| ITF China F9 Qual | 2018/07/01 04:00 | Bingyu Yu v Kai, Wai Yu | 6-2,6-1 |
| ITF Hong Kong F1 | 2018/06/26 02:00 | Hong Kit Wong v Kai, Wai Yu | 6-4,6-4 |
| ITF Hong Kong F1 Qual | 2018/06/24 03:25 | Alex Hunt v Kai, Wai Yu | 2-6,1-6 |
| ITF Hong Kong F1 Qual | 2018/06/23 02:00 | Kai, Wai Yu v Sam Ryan Ziegann | 6-3,6-3 |
| ITF China F5 Qual | 2018/05/07 04:20 | Wang, Chukang v Kai, Wai Yu | 6-4,6-3 |
| ITF China F5 Qual | 2018/05/05 08:55 | Kai, Wai Yu v Su, Chuanqi | 6-1,6-0 |
| ITF China F4 Qual | 2018/04/29 07:20 | Kai, Wai Yu v Chase Ferguson | 6-7,3-6 |
| ITF China F10 | 2018/07/09 08:35 | Zhao, Lingxi v He, Xiaoyu | 6-0,6-1 |
| ITF China F9 | 2018/07/03 07:00 | Jie Cui v He, Xiaoyu | 6-2,6-0 |
| ITF China F7 Qual | 2018/05/27 05:40 | Ji, Ang v He, Xiaoyu | 2-6,6-2,6-3 |
| ITF China F5 Qual | 2018/05/05 05:10 | He, Xiaoyu v Ji, Ang | 2-6,1-6 |
| ITF China F4 Qual | 2018/04/29 07:15 | He, Xiaoyu v Commings, Michael | 0-6,6-7 |
| ITF China F3 Qual | 2018/01/22 02:30 | Alberto Lim v He, Xiaoyu | 6-2,6-1 |
| ITF China F3 Qual | 2018/01/21 03:30 | He, Xiaoyu v Yuchen Wu | 6-1,1-6,6-1 |
| ITF China F3 Qual | 2018/01/20 04:10 | Valentin, Raileanu v He, Xiaoyu | 0-6,0-6 |