Round: 27 Ground: Hardcourt outdoor
| ITF Japan F7 MD | 2017/06/06 06:20 | Kikuchi G / Takeshima S v Matsuo Y / Sumizawa D | 6-1,6-1 |
| ITF Japan F6 MD | 2017/05/31 05:30 | Watanuki Y / Watanuki Y v Kikuchi G / Takeshima S | 6-4,6-7,10-6 |
| ITF Japan F5 MD | 2017/04/03 05:50 | Kikuchi G / Takeshima S v Katayama S / Kono Y | 2-6,4-6 |
| ITF Japan F4 MD | 2017/03/30 05:10 | Imai S / Uesugi K v Kikuchi G / Takeshima S | 6-4,6-1 |
| ITF Japan F4 MD | 2017/03/28 06:10 | Tanaka R / Yamasaki E v Kikuchi G / Takeshima S | 6-4,4-6,4-10 |
| ITF Japan F3 MD | 2017/03/20 05:25 | Kikuchi G / Takeshima S v Purcell M / Tokuda R | 6-7,1-6 |
| ITF Japan F2 MD | 2017/03/18 02:00 | Niki T / Uesugi K v Kikuchi G / Takeshima S | 7-6,6-7,10-3 |
| ITF Japan F2 MD | 2017/03/17 05:30 | Ly H N / Okamura I v Kikuchi G / Takeshima S | 4-6,4-6 |
| ITF Japan F7 MD | 2017/06/07 08:00 | Kobayashi M / Mochizuki Y v Okamura I / Takeuchi K | 4-6,6-4,7-10 |
| ITF Japan F6 MD | 2017/05/30 08:05 | Okamura I / Takeuchi K v Watanuki Y / Watanuki Y | 4-6,3-6 |
| ITF China F6 MD | 2017/05/10 08:30 | Liu H / Wang C v Okamura I / Takeuchi K | 6-7,6-4,10-8 |
| ITF China F6 MD | 2017/05/09 07:45 | Bai Y / Zhong S H v Okamura I / Takeuchi K | 3-6,3-6 |
| ITF Indonesia F5 MD | 2016/12/10 08:30 | Chung Y / Imai S v Okamura I / Takeuchi K | 6-2,3-6,10-6 |
| ITF Indonesia F5 MD | 2016/12/09 10:15 | Okamura I / Takeuchi K v Barki J / Rungkat C | 7-6,6-7,10-6 |
| ITF Indonesia F5 MD | 2016/12/09 07:00 | Hobbs R / Kim C-E v Okamura I / Takeuchi K | 2-6,3-6 |
| ITF Indonesia F5 MD | 2016/12/06 08:45 | Kusumo Putro I / Nugroho W A v Okamura I / Takeuchi K | 3-6,4-6 |