Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Tsukuba MD | 2019/03/26 05:55 | Okamura/Takeuchi v Takeshima/Yamasaki | 2-6,1-6 |
| ITF Japan F6 MD | 2018/04/11 05:10 | Fujii/Ochi v Okamura/Takeuchi | 7-6,7-6 |
| ITF China F14 MD | 2017/07/25 08:00 | Okamura/Takeuchi v Huang/Wang | 4-6,6-7 |
| ITF Japan F7 MD | 2017/06/08 06:00 | Kikuchi/Takeshima v Okamura/Takeuchi | 6-4,7-6 |
| ITF Japan F7 MD | 2017/06/07 08:00 | Kobayashi/Mochizuki v Okamura/Takeuchi | 4-6,6-4,7-10 |
| ITF Japan F6 MD | 2017/05/30 08:05 | Okamura/Takeuchi v Watanuki/Watanuki | 4-6,3-6 |
| ITF China F6 MD | 2017/05/10 08:30 | Liu/Wang v Okamura/Takeuchi | 6-7,6-4,10-8 |
| ITF China F6 MD | 2017/05/09 07:45 | Bai/Zhong v Okamura/Takeuchi | 3-6,3-6 |
| ITF M25 Harmon MD | 2022/06/09 05:15 | Niki/Yuzuki v Matsui/Uesugi | 6-7,2-6 |
| ITF M25 Harmon MD | 2022/06/07 05:15 | Rehman/Stubbings v Niki/Yuzuki | 2-6,1-6 |
| ITF M25 Harmon MD | 2022/06/04 03:00 | Hong/Kim v Niki/Yuzuki | 1-6,7-6,9-11 |
| ITF M25 Harmon MD | 2022/06/03 05:30 | Niki/Yuzuki v Matsui/Uesugi | 7-6,6-3 |
| ITF M25 Harmon MD | 2022/06/02 08:00 | Jang/Kim v Niki/Yuzuki | 1-6,3-6 |
| ITF M25 Harmon MD | 2022/06/01 06:20 | Niki/Yuzuki v Nakamura/Okamura | 6-1,7-6 |