Round: 25 Ground: Clay
| Others | 2016/11/12 07:00 | Issei Okamura v Sergey Betov | 6-4,5-7,3-6 |
| Others | 2016/11/12 04:30 | Issei Okamura v Soichiro Moritani | 7-5,6-2 |
| Others | 2016/11/05 02:00 | Issei Okamura v Masato Shiga | 3-6,1-6 |
| ITF Chinese Taipei F1 | 2016/10/11 02:00 | Tung-Lin Wu v Issei Okamura | 6-2,3-6,6-2 |
| ITF Vietnam F5 | 2016/09/22 03:00 | Issei Okamura v Shinta Fujii | 3-6,6-7 |
| ITF Vietnam F5 | 2016/09/20 03:00 | Issei Okamura v Ren Nakamura | 6-2,6-3 |
| ITF Vietnam F4 | 2016/09/16 03:00 | Yuichi Ito v Issei Okamura | 6-2,4-6,6-4 |
| ITF Vietnam F4 | 2016/09/15 03:30 | Seungri Choi v Issei Okamura | 4-6,3-6 |
| ITF Guam F1 | 2016/05/25 02:30 | Deiton Baughman v Takao Suzuki | 6-3,6-2 |
| ITF Japan F5 | 2016/04/06 00:30 | Ken Onishi v Takao Suzuki | 6-3,4-6,3-6 |
| ITF Japan F3 | 2016/03/19 03:45 | Takao Suzuki v Brandon Walkin | 6-2,6-2 |
| WTA Kuala Lumpur Qual | 2015/09/27 03:20 | Takao Suzuki v Yasutaka Uchiyama | 2-6,2-6 |
| WTA Kuala Lumpur Qual | 2015/09/26 05:45 | Kelsey Stevenson v Takao Suzuki | 6-2,3-6,2-6 |
| Challenger Kaohsiung | 2015/09/22 06:40 | Marco Trungelliti v Takao Suzuki | 6-4,6-2 |
| Challenger Kaohsiung Qual | 2015/09/20 07:05 | Jeevan Nedunchezhiyan v Takao Suzuki | 2-6,5-7 |
| ITF Japan F8 | 2015/06/25 04:45 | Yasutaka Uchiyama v Takao Suzuki | 6-2,4-6,6-2 |