Stadium: Court 8 Round: 26 Ground: Clay
| ITF Japan F5 MD | 2018/04/05 05:30 | Renta Tokuda / Jumpei Yamasaki v Fujii S / Ochi M | 7-6,6-2 |
| ITF Japan F5 MD | 2018/04/04 07:40 | Ehara H / Katayama S v Fujii S / Ochi M | 6-2,3-6,6-10 |
| ITF Japan F5 MD | 2018/04/02 05:00 | Takeshima S / Tanuma R v Fujii S / Ochi M | 6-4,5-7,10-12 |
| Chine F14, Doubles | 2017/07/25 08:00 | Okamura I / Takeuchi K v Huang T-H / Wang C | 4-6,6-7 |
| 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 |