Round: 26 Ground: Clay
| ITF Japan F7 MD | 2017/06/08 06:00 | Kikuchi G / Takeshima S v Okamura I / Takeuchi K | 6-4,7-6 |
| 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 F1 MD | 2016/08/20 04:30 | Balaji N S / Vardhan V v Huang T-H / Wang C | 3-6,6-4,10-12 |
| ITF Indonesia F1 MD | 2016/08/19 06:30 | Huang T-H / Wang C v Moritani S / Takeuchi K | 6-3,6-2 |
| ITF Indonesia F1 MD | 2016/08/18 06:00 | Anand K / Bendre A v Huang T-H / Wang C | 1-6,4-6 |