Round: 26 Ground: Hardcourt outdoor
| ITF Japan F6 MD | 2017/05/30 07:40 | Fukuda/Onozawa v Nagao/Oku | 6-2,7-5 |
| ITF Singapore F1 MD | 2017/05/27 11:05 | Ehara/Katayama v Nagao/Oku | 7-6,6-2 |
| ITF Singapore F1 MD | 2017/05/27 07:50 | Moritani/Takeuchi v Nagao/Oku | 6-7,6-1,8-10 |
| ITF Singapore F1 MD | 2017/05/23 06:25 | Hung/Yu v Nagao/Oku | 4-6,3-6 |
| ITF Japan F5 MD | 2017/04/08 12:40 | Imai/Niki v Nagao/Oku | 6-4,6-4 |
| ITF Japan F5 MD | 2017/04/07 07:50 | Uesugi/Watanuki v Nagao/Oku | 3-6,6-2,5-10 |
| ITF Japan F5 MD | 2017/04/06 05:35 | Onoda/Shiga v Nagao/Oku | 3-6,3-6 |
| ITF Japan F5 MD | 2017/04/06 05:33 | Onoda/Shiga v Nagao/Oku | 3-6,3-6 |