Stadium: Court 4 Round: 26 Ground: Clay
| ITF W25 Porto WD | 2021/06/26 15:25 | Ayukawa/Omae v Hartono/Miyazaki | 5-7,2-6 |
| ITF W25 Porto WD | 2021/06/25 13:30 | Arakawa/Tjandramulia v Hartono/Miyazaki | 5-7,3-6 |
| ITF W25 Porto WD | 2021/06/24 15:30 | Hartono/Miyazaki v Appleton/Christie | 6-1,6-7,10-3 |
| ITF W25 Porto WD | 2021/06/22 13:35 | Hartono/Miyazaki v B Ribera/Ushijima | 6-0,6-4 |
| 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 |