Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| Challenger Nanchang | 2018/04/16 04:30 | Zihao Xia v Antoine Escoffier | 4-6,2-6 |
| Challenger Qujing | 2018/03/20 03:35 | Salvatore Caruso v Zihao Xia | 6-3,6-1 |
| Challenger Shenzhen Qual | 2018/03/11 03:50 | Jason Kubler v Zihao Xia | 6-1,6-1 |
| Challenger Zhuhai | 2018/03/06 04:40 | Di Wu v Zihao Xia | 6-4,6-4 |
| Challenger Zhuhai Qual | 2018/03/04 08:45 | Kuan-Yi Lee v Zihao Xia | 6-7,1-6 |
| Challenger Zhuhai Qual | 2018/03/03 02:00 | Zihao Xia v Andrea Pellegrino | 6-2,6-4 |
| ITF China F3 | 2018/01/22 04:05 | Zihao Xia v Ivan Nedelko | 3-6,4-6 |
| ITF China F2 | 2018/01/15 05:25 | Zihao Xia v Mats Rosenkranz | 6-3,3-6,4-6 |
| Davis Cup | 2018/04/08 10:30 | Harri Heliovaara v Ricardas Berankis | 2-6,3-6 |
| Davis Cup | 2018/04/07 13:00 | Harri Heliovaara v Laurynas Grigelis | 6-3,1-6,6-3 |
| ITF Israel F3 | 2018/03/24 07:00 | Yannick Vandenbulcke v Harri Heliovaara | 6-2,6-2 |
| ITF Israel F3 | 2018/03/23 07:00 | Patrik Niklas-Salminen v Harri Heliovaara | 3-6,0-6 |
| ITF Israel F3 | 2018/03/22 08:00 | Nikolay Kolobaev v Harri Heliovaara | 3-6,4-6 |
| ITF Israel F3 | 2018/03/21 09:40 | Emmanuel Luria v Harri Heliovaara | 0-6,0-6 |
| ITF Israel F2 | 2018/03/18 13:00 | Yshai Oliel v Harri Heliovaara | 1-6,3-6 |
| ITF Israel F2 | 2018/03/17 08:00 | Alexis Musialek v Harri Heliovaara | 1-6,1-6 |