Stadium: Court 10 Round: 25 Ground: Clay
| ITF Japan F8 | 2017/06/16 02:35 | Sano, Koichi v Sora Fukuda | 3-6,1-6 |
| ITF Japan F8 | 2017/06/15 03:05 | Onozawa, Arata v Sano, Koichi | 6-2,1-6,0-6 |
| ITF Japan F8 | 2017/06/14 03:55 | Sano, Koichi v Higa, Akito | 6-3,6-4 |
| ITF Japan F5 | 2017/04/04 00:30 | Matsuo, Yuki v Sano, Koichi | 7-5,7-6 |
| ITF Japan F5 | 2017/04/02 01:00 | Sano, Koichi v Kawakami, Rimpei | 6-1,6-2 |
| ITF Japan F5 | 2017/04/01 02:00 | Sano, Koichi v Vu, Artem | 6-2,6-4 |
| ITF Japan F4 | 2017/03/25 03:00 | Sano, Koichi v Ono, Yohei | 3-6,1-6 |
| ITF Japan F3 | 2017/03/18 00:30 | Matsuo, Yuki v Sano, Koichi | 6-4,7-6 |
| ITF Japan F5 | 2018/04/04 01:00 | Wang, Chuhan v Shinji Hazawa | 5-7,5-7 |
| ITF Japan F5 | 2018/04/02 04:00 | Wang, Chuhan v Kazuma Kawachi | 6-4,6-3 |
| ITF Japan F4 | 2018/03/29 01:00 | Wang, Chuhan v Grills, Jacob | 6-2,3-6,4-6 |
| ITF Japan F4 | 2018/03/28 03:20 | Wang, Chuhan v Chiu, Yu Hsiang | 3-6,6-0,6-4 |
| Challenger Zhuhai Qual | 2018/03/03 02:00 | Wang, Chuhan v Balaji, N. Sriram | 7-6,5-7,4-6 |
| ITF China F1 Qual | 2018/01/06 03:05 | Wang, Chuhan v Ro, Hyun Su | 6-0,6-0 |
| ITF Hong Kong F5 | 2017/12/27 04:10 | Yan Bai v Wang, Chuhan | 6-2,6-4 |
| ITF Hong Kong F5 | 2017/12/26 04:40 | Lo, Chien Hsun v Wang, Chuhan | 6-7,7-6,3-6 |