| ITF Japan F4 MD | 2017/04/01 04:30 | Imai/Uesugi v Ehara/Katayama | 6-2,3-6,6-10 |
| ITF Japan F4 MD | 2017/03/31 05:00 | Sumizawa/Watanuki v Ehara/Katayama | 2-6,6-7 |
| ITF Japan F4 MD | 2017/03/30 06:10 | Imamura/Watanuki v Ehara/Katayama | 0-6,2-6 |
| ITF Japan F4 MD | 2017/03/28 05:05 | Ehara/Katayama v Ito/Onozawa | 6-2,1-6,10-7 |