Stadium: Court 16 Round: 26 Ground: Clay
| ITF Japan F6 | 2018/04/10 03:10 | Kazuki Nishiwaki v Issei Okamura | 6-2,7-5 |
| ITF Japan F6 Qual | 2018/04/09 02:50 | Kazuki Nishiwaki v Arata Onozawa | 7-5,6-3 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Rio Noguchi v Kazuki Nishiwaki | 6-2,6-7,0-6 |
| ITF Japan F6 Qual | 2018/04/07 01:00 | Tamaki Yamao v Kazuki Nishiwaki | 6-4,3-6,3-6 |
| ITF Egypt F10 | 2018/03/21 10:00 | Kazuki Nishiwaki v Benjamin Lock | 6-7,4-6 |
| ITF Egypt F10 | 2018/03/19 08:00 | Michel Vernier v Kazuki Nishiwaki | 3-6,2-6 |
| ITF Egypt F10 | 2018/03/18 12:00 | Bruno Britez v Kazuki Nishiwaki | 6-7,2-6 |
| ITF Egypt F10 | 2018/03/17 14:30 | Kazuki Nishiwaki v Anton Chekhov | 6-2,6-2 |
| ITF Japan F6 | 2018/04/11 01:00 | Koichi Sano v Chuhan Wang | 4-6,3-6 |
| ITF Japan F5 | 2018/04/04 01:00 | Chuhan Wang v Shinji Hazawa | 5-7,5-7 |
| ITF Japan F5 | 2018/04/02 04:00 | Chuhan Wang v Kazuma Kawachi | 6-4,6-3 |
| ITF Japan F4 | 2018/03/29 01:00 | Chuhan Wang v Jacob Grills | 6-2,3-6,4-6 |
| ITF Japan F4 | 2018/03/28 03:20 | Chuhan Wang v Yu Hsiang Chiu | 3-6,6-0,6-4 |
| Challenger Zhuhai Qual | 2018/03/03 02:00 | Chuhan Wang v N.Sriram Balaji | 7-6,5-7,4-6 |
| ITF China F1 Qual | 2018/01/06 03:05 | Chuhan Wang v Hyun Su Ro | 6-0,6-0 |
| ITF Hong Kong F5 | 2017/12/27 04:10 | Yan Bai v Chuhan Wang | 6-2,6-4 |