| ITF Japan F4 MD | 03/30 05:20 | 28 | Ehara H / Hazawa S v Nakagawa N / Uesugi K | 6-3,6-4 | |
| ITF Japan F4 MD | 03/29 07:20 | 27 | Te, Rigele / Wang, Chuhan v Nakagawa N / Uesugi K | 2-6,1-6 | |
| ITF Japan F4 MD | 03/28 05:55 | 26 | Ochi M / Tanuma R v Nakagawa N / Uesugi K | 6-7,4-6 |