Round: 28 Ground: Hardcourt outdoor
| ITF Japan F3 MD | 2017/03/23 02:55 | Purcell/Tokuda v Nagao/Oku | 4-6,6-3,5-10 |
| ITF Japan F3 MD | 2017/03/20 05:50 | Katayama/Onozawa v Nagao/Oku | 4-6,4-6 |
| ITF Japan F2 MD | 2017/03/17 04:00 | Niki/Uesugi v Nagao/Oku | 3-6,6-4,10-7 |
| ITF Japan F2 MD | 2017/03/15 06:00 | Nagao/Oku v Kobayashi/Shimabukuro | 6-4,6-1 |
| ITF Japan F2 MD | 2017/03/13 07:50 | Nagao/Oku v Chung/Lee | 6-2,6-2 |
| ITF Japan F1 MD | 2017/03/11 04:00 | Nagao/Oku v Niki/Uesugi | 6-0,7-6 |
| 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 F3 MD | 2017/03/23 05:30 | Watanuki/Watanuki v Ehara/Niki | 6-7,6-7 |
| ITF Japan F3 MD | 2017/03/20 05:20 | Ehara/Niki v Trong'kul/Wach'ong | 6-4,6-4 |