Round: 25 Ground: Hardcourt outdoor
| ITF China F4 | 2015/04/21 04:35 | Chuhan Wang v Issei Okamura | 6-4,6-4 |
| ITF China F2 | 2017/02/23 03:00 | Issei Okamura v Rubin Statham | 1-6,3-6 |
| ITF China F2 | 2017/02/21 02:00 | Caio Silva v Issei Okamura | 1-6,0-6 |
| ITF China F1 | 2017/02/15 02:00 | Danilo Petrovic v Issei Okamura | 6-3,6-2 |
| Challenger Launceston Qual | 2017/02/04 01:25 | Issei Okamura v Zach Itzstein | 6-3,4-6,6-7 |
| Challenger Burnie Qual | 2017/01/28 04:10 | Dane Propoggia v Issei Okamura | 6-4,6-2 |
| Challenger Burnie Qual | 2017/01/27 23:00 | Jeremy Beale v Issei Okamura | 6-1,3-6,2-6 |
| ITF Thailand F5 | 2016/12/20 03:00 | Wishaya Trongcharoenchaikul v Issei Okamura | 6-2,7-6 |
| ITF Thailand F4 | 2016/12/13 03:00 | Kittiphong Wachiramanowong v Issei Okamura | 6-0,6-0 |
| ITF China F2 | 2017/02/23 02:00 | Nino Serdarusic v Chuhan Wang | 6-3,6-2 |
| ITF China F2 | 2017/02/21 02:00 | Chuhan Wang v Yu Chang | 6-1,1-6,6-3 |
| ITF China F1 | 2017/02/17 05:05 | Danilo Petrovic v Chuhan Wang | 6-3,6-2 |
| ITF China F1 | 2017/02/15 05:45 | Brandon Walkin v Chuhan Wang | 5-7,6-1,1-6 |
| Challenger Ningbo | 2016/10/17 07:20 | Sadio Doumbia v Chuhan Wang | 6-2,7-5 |
| Challenger Ho Chi Minh City Qual | 2016/10/08 03:00 | Stefan Skadarka v Chuhan Wang | 4-6,6-2,2-6 |
| ATP Chengdu Qual | 2016/09/24 07:30 | Chuhan Wang v Go Soeda | 4-6,2-6 |
| ITF Indonesia F3 | 2016/09/02 03:00 | Chuhan Wang v Mukund Sasikumar | 6-7,2-6 |