| Challenger Jinan | 2018/08/07 07:30 | Alexei Popyrin v Yan Bai | 6-3,7-5 |
| Challenger Jinan | 2018/08/06 02:00 | Yan Bai v Miliaan Niesten | 6-2,7-5 |
| Challenger Jinan Qual | 2018/08/05 05:30 | Yan Bai v Matej Sabanov | 6-0,6-0 |
| Challenger Jinan | 2018/08/04 02:00 | Yan Bai v Chukang Wang | 6-1,6-1 |
| Challenger Chengdu Qual | 2018/07/28 05:55 | Yan Bai v Manish Sureshkumar | 6-4,5-7,0-6 |
| ITF China F11 | 2018/07/21 08:00 | Yan Bai v Jie Cui | 6-3,6-3 |
| ITF China F11 | 2018/07/21 01:00 | Yan Bai v Huixin Wang | 6-4,7-5 |
| ITF China F11 | 2018/07/20 01:00 | Yan Bai v Aoran Wang | 6-2,7-6 |
| ITF China F13 | 2018/08/20 02:00 | Daisuke Sumizawa v Lewei Cai | 6-4,6-1 |
| ITF China F12 Qual | 2018/08/12 02:00 | Winter Meagher v Lewei Cai | 6-0,6-4 |
| ITF China F10 Qual | 2018/07/07 05:00 | Lewei Cai v Pak Long Yeung | 2-6,0-6 |
| ITF China F9 Qual | 2018/06/30 02:00 | Yifeng Fu v Lewei Cai | 3-6,7-5,6-2 |
| ITF China F8 Qual | 2018/06/03 02:00 | Lewei Cai v Kento Tagashira | 1-6,2-6 |
| ITF Turkey F14 | 2018/04/07 11:00 | Lewei Cai v Alberto Cammarata | 2-6,1-6 |
| ITF Spain F7 | 2018/03/16 12:00 | Manuel Barros v Lewei Cai | 6-1,6-2 |
| ITF China F3 Qual | 2018/01/20 02:30 | Jiayi Li v Lewei Cai | 6-1,6-7,6-0 |