| Challenger Taipei Qual | 2017/04/17 04:35 | Roelofse, Ruan v Issei Okamura | 6-4,6-2 |
| Challenger Taipei Qual | 2017/04/16 05:55 | Liu, Shao-Fan v Issei Okamura | 6-7,6-4,3-6 |
| ITF Japan F5 | 2017/04/04 00:30 | Issei Okamura v Suzuki, Takao | 6-7,3-6 |
| ITF Japan F4 | 2017/03/28 03:00 | Kaito Uesugi v Issei Okamura | 6-3,6-3 |
| ITF Japan F3 | 2017/03/22 06:00 | Vinsant, Shane v Issei Okamura | 6-2,6-3 |
| ITF Japan F3 | 2017/03/20 02:35 | Daisuke Sumizawa v Issei Okamura | 2-6,2-6 |
| ITF Japan F2 | 2017/03/13 04:00 | Issei Okamura v Nam Hoang Ly | 2-6,2-6 |
| ITF Japan F1 | 2017/03/07 02:30 | Issei Okamura v Yuki Mochizuki | 2-6,4-6 |
| Challenger Qingdao | 2017/04/18 02:00 | Molchanov, Denys v Kimmer Coppejans | 1-6,0-6 |
| Challenger Qingdao Qual | 2017/04/16 03:00 | Juan Pablo Paz v Molchanov, Denys | 6-7,6-7 |
| Challenger Qingdao Qual | 2017/04/15 03:30 | Yi Zhou Liu v Molchanov, Denys | 1-6,2-6 |
| ITF Egypt F10 | 2017/03/23 08:00 | Molchanov, Denys v Smirnov, Artem | 2-6,6-7 |
| ITF Egypt F10 | 2017/03/21 08:00 | Molchanov, Denys v Katic, Dejan | 6-2,4-6,6-3 |
| ITF Egypt F9 | 2017/03/15 11:40 | Molchanov, Denys v Ugo Humbert | 6-3,6-7,5-7 |
| Tempe, USA, Qualifying | 2017/02/12 17:00 | Schnur, Brayden v Molchanov, Denys | 6-1,6-2 |
| San Francisco, USA, Qualifying | 2017/02/05 23:55 | Molchanov, Denys v Harrison, Christian | 5-7,5-7 |