Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Open d'Australie Playoff Wilcard Australienne | 2017/11/29 03:20 | Yusuke Takahashi v Xia, Zihao | 6-1,6-1 |
| Jinan, China | 2018/08/09 08:55 | Zhang, Ze v Yusuke Takahashi | 6-4,6-3 |
| Jinan, China | 2018/08/07 09:15 | Yusuke Takahashi v Ehara, Hiroyasu | 6-4,6-3 |
| Chengdu, China | 2018/07/31 06:25 | Yusuke Takahashi v Ward, James | 3-6,3-6 |
| Challenger Granby | 2018/07/24 18:50 | Yusuke Takahashi v Polansky, Peter | 4-6,1-6 |
| Gatineau, Canada | 2018/07/17 14:00 | Yusuke Takahashi v Soeda, Go | 4-6,3-6 |
| Challenger Winnipeg | 2018/07/10 15:00 | Yusuke Takahashi v Jason Kubler | 2-6,2-6 |
| Fergana, Uzbekistan | 2018/06/18 09:05 | Yusuke Takahashi v Duckhee Lee | 6-7,1-6 |
| Challenger Almaty | 2018/06/13 05:00 | Yusuke Takahashi v Roberto Cid Subervi | 1-6,0-6 |
| Jinan, China | 2018/08/11 09:45 | Ward, James v Xia, Zihao | 6-2,6-1 |
| Jinan, China | 2018/08/09 07:30 | Wu, Di v Xia, Zihao | 4-6,2-6 |
| Chengdu, China | 2018/08/01 06:15 | Akira Santillan v Xia, Zihao | 3-6,6-2,7-5 |
| Chengdu, China | 2018/07/31 03:00 | Xia, Zihao v Soeda, Go | 7-6,6-3 |
| Challenger Bastad Qual | 2018/07/07 10:55 | Xia, Zihao v Lukas Klein | 1-6,1-6 |
| Challenger Recanati Qual | 2018/07/01 10:05 | Xia, Zihao v Antoine Escoffier | 2-6,3-6 |
| Challenger Recanati Qual | 2018/06/30 09:30 | Di Nicola, Gianluca v Xia, Zihao | 6-7,2-6 |
| ITF China F7 | 2018/05/30 02:30 | Wu, Di v Xia, Zihao | 6-1,6-4 |