Round: 28 Ground: Hardcourt outdoor
| ITF Japan F1 MD | 2017/03/09 05:30 | Yusuke Takahashi / Renta Tokuda v Kikuchi G / Takeshima S | 6-3,6-4 |
| ITF Japan F1 MD | 2017/03/07 04:45 | Gonzales R / Matsui T v Yusuke Takahashi / Renta Tokuda | 7-6,3-6,12-14 |
| ITF USA F6 MD | 2017/02/02 19:30 | Bradley J / Strode I v Yusuke Takahashi / Renta Tokuda | 6-4,7-5 |
| ITF USA F6 MD | 2017/02/01 17:00 | Yusuke Takahashi / Renta Tokuda v Bernardi P / Reed A | 7-6,6-3 |
| ITF USA F6 MD | 2017/01/31 18:45 | Yusuke Takahashi / Renta Tokuda v Legall J / Nakagawa N | 6-4,7-6 |
| ITF USA F5 MD | 2017/01/26 19:20 | Escobar/Martinez v Yusuke Takahashi / Renta Tokuda | 6-3,6-4 |
| ITF USA F5 MD | 2017/01/24 20:30 | Glennon C / Woog J v Yusuke Takahashi / Renta Tokuda | 6-7,1-6 |
| ITF Indonesia F5 MD | 2016/12/07 06:50 | Yusuke Takahashi / Renta Tokuda v Sasongko A H / Trijati S-W | 3-6,4-6 |
| ITF Japan F1 MD | 2017/03/09 06:00 | Katayama S / Onozawa A v Nagao K / Oku H | 3-6,6-3,9-11 |
| ITF Japan F1 MD | 2017/03/07 04:25 | Hashimoto T / Tsunematsu T v Nagao K / Oku H | 2-6,6-7 |
| Challenger Kyoto MD | 2017/02/21 10:05 | Ratiwatana Sa / Ratiwatana So v Nagao K / Oku H | 7-5,6-3 |
| ITF Korea F8 MD | 2016/09/09 06:00 | Nam/Song v Nagao K / Oku H | 6-4,6-4 |
| ITF Korea F8 MD | 2016/09/08 06:30 | Kim Y S / Noh S-W v Nagao K / Oku H | 5-7,6-3,8-10 |
| ITF Korea F8 MD | 2016/09/07 06:00 | Jeong/Kim v Nagao K / Oku H | 5-7,3-6 |
| ITF Korea F8 MD | 2016/09/05 07:30 | Lee H / Yoon S v Nagao K / Oku H | 6-3,3-6,5-10 |
| ITF Korea F7 MD | 2016/08/29 04:30 | Choi J-W / Moon J-H v Nagao K / Oku H | 6-4,1-6,10-7 |