stadio: Court 15 Round: 26 Ground: Hardcourt outdoor
| WTA Ostrava DF | 2021/09/25 10:00 | Hozumi/Ninomiya v Mirza/Zhang | 2-6,5-7 |
| WTA Ostrava DF | 2021/09/22 13:15 | Kalashnikova/Kato v Hozumi/Ninomiya | 4-6,2-6 |
| WTA Ostrava DF | 2021/09/21 13:25 | Piter/Zimmermann v Hozumi/Ninomiya | 3-6,6-3,6-10 |
| WTA Lussemburgo DF | 2021/09/17 14:30 | Hozumi/Ninomiya v Minnen/Van Uytvanck | 3-6,6-7 |
| WTA Lussemburgo DF | 2021/09/15 10:00 | Friedsam/Papadakis v Hozumi/Ninomiya | 4-6,2-6 |
| WTA Lussemburgo DF | 2021/09/13 15:45 | Hartono/Tjandramulia v Hozumi/Ninomiya | 6-7,6-4,8-10 |
| WTA Hua Hin DF | 2020/02/13 13:00 | Bondarenko/Tanasugarn v Hozumi/Ninomiya | 6-3,6-1 |
| ITF W100 Tokyo DF | 2019/11/13 07:30 | Nagata/Sato v Hozumi/Ninomiya | 1-6,2-6 |