| Challenger Jinan | 2018/08/04 09:20 | Yuquan Jin v Yuya Kibi | 4-6,2-6 |
| ITF Thailand F4 | 2018/09/24 02:30 | Ruikai Wang v Kousuke Ogura | 3-6,1-6 |
| ITF Thailand F4 | 2018/09/23 04:00 | Ruikai Wang v Ankit Chopra | 6-3,4-6,6-3 |
| Challenger Zhangjiagang | 2018/09/02 02:00 | Sidharth Rawat v Ruikai Wang | 6-0,6-1 |
| ITF China F14 | 2018/08/29 03:00 | Jeremy Beale v Ruikai Wang | 6-1,6-1 |
| ITF China F14 | 2018/08/27 08:00 | RunYu Zhao v Ruikai Wang | 3-6,3-6 |
| ITF China F12 | 2018/08/15 03:00 | Aoran Wang v Ruikai Wang | 6-4,6-4 |
| ITF China F12 | 2018/08/13 06:30 | Ruikai Wang v Hanyi Liu | 6-4,7-5 |
| Challenger Jinan | 2018/08/04 09:45 | Alexei Popyrin v Ruikai Wang | 6-0,6-0 |