Stadium: Court 10 Round: 25 Ground: Clay
| ITF Japan F8 | 2017/06/16 02:35 | Koichi Sano v Sora Fukuda | 3-6,1-6 |
| ITF Japan F8 | 2017/06/15 03:05 | Arata Onozawa v Koichi Sano | 6-2,1-6,0-6 |
| ITF Japan F8 | 2017/06/14 03:55 | Koichi Sano v Akito Higa | 6-3,6-4 |
| ITF Japan F5 | 2017/04/04 00:30 | Yuki Matsuo v Koichi Sano | 7-5,7-6 |
| ITF Japan F5 | 2017/04/02 01:00 | Koichi Sano v Rimpei Kawakami | 6-1,6-2 |
| ITF Japan F5 | 2017/04/01 02:00 | Koichi Sano v Artem Vu | 6-2,6-4 |
| ITF Japan F4 | 2017/03/25 03:00 | Koichi Sano v Yohei Ono | 3-6,1-6 |
| ITF Japan F3 | 2017/03/18 00:30 | Yuki Matsuo v Koichi Sano | 6-4,7-6 |
| 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 |
| ITF Hong Kong F5 | 2017/12/26 04:40 | Chien Hsun Lo v Chuhan Wang | 6-7,7-6,3-6 |