Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF W25 Figueira Da Foz WD | 2021/06/18 19:20 | Hozumi/Omae v Hartono/Miyazaki | 6-2,7-5 |
| ITF W25 Figueira Da Foz WD | 2021/06/15 13:50 | Santos/Vojcinakova v Hartono/Miyazaki | 2-6,4-6 |
| ITF W25 Pelham WD | 2021/05/18 18:55 | Hartono/Miyazaki v Harrison/Sutjiadi | 4-6,7-6,6-10 |
| ITF W25 Poitiers WD | 2021/02/24 14:15 | Hartono/Miyazaki v Galfi/Zimmermann | 3-6,4-6 |
| ITF W25 Altenkirchen WD | 2021/02/19 14:55 | Kania-Chodun/Wachaczyk v Hartono/Miyazaki | 6-3,6-4 |
| ITF W25 Altenkirchen WD | 2021/02/18 14:45 | Gabric/Seibold v Hartono/Miyazaki | 1-6,3-6 |
| ITF W25 Altenkirchen WD | 2021/02/17 18:00 | Bucsa/Marcinkevica v Hartono/Miyazaki | 5-7,6-2,9-11 |
| ITF W25 Grenoble WD | 2021/02/12 09:00 | Hartono/Miyazaki v Rosca/Zimmermann | 1-6,5-7 |