Round: 29 Ground: Hardcourt outdoor
| ITF Japan F1 MD | 2017/03/10 04:00 | Takahashi/Tokuda v Nagao/Oku | 6-7,1-6 |
| ITF Japan F1 MD | 2017/03/09 06:00 | Katayama/Onozawa v Nagao/Oku | 3-6,6-3,9-11 |
| ITF Japan F1 MD | 2017/03/07 04:25 | Hashimoto/Tsunematsu v Nagao/Oku | 2-6,6-7 |
| Challenger Kyoto MD | 2017/02/21 10:05 | Ratiwatana/Ratiwatana v Nagao/Oku | 7-5,6-3 |
| ITF Korea F8 MD | 2016/09/09 06:00 | Nam/Song v Nagao/Oku | 6-4,6-4 |
| ITF Korea F8 MD | 2016/09/08 06:30 | Kim/Noh v Nagao/Oku | 5-7,6-3,8-10 |
| ITF Korea F8 MD | 2016/09/07 06:00 | Jeong/Kim v Nagao/Oku | 5-7,3-6 |
| ITF Korea F8 MD | 2016/09/05 07:30 | Lee/Yoon v Nagao/Oku | 6-3,3-6,5-10 |
| ITF Japan F1 MD | 2017/03/10 04:00 | Lin/Trongcharoenchaikul v Niki/Uesugi | 1-6,3-6 |
| ITF Japan F1 MD | 2017/03/09 05:35 | Niki/Uesugi v Gao/Li | 3-6,7-5,10-7 |