Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF W25 Figueira Da Foz WD | 2021/06/15 14:55 | Hozumi/Omae v Hontama/Ushijima | 6-1,7-6 |
| ITF W25 Montemor-O-Novo WD | 2021/06/12 15:30 | Eikeri/Grammatikopoulou v Hozumi/Omae | 6-1,6-0 |
| ITF W25 Montemor-O-Novo WD | 2021/06/11 16:00 | Hontama/Muramatsu v Hozumi/Omae | 6-1,2-6,4-10 |
| ITF W25 Montemor-O-Novo WD | 2021/06/10 12:00 | Azadinho/Kempster v Hozumi/Omae | 0-6,0-6 |
| ITF W25 Montemor-O-Novo WD | 2021/06/08 13:00 | Hamaliy/Jorge v Hozumi/Omae | 3-6,2-6 |
| ITF W25 Figueira Da Foz WD | 2021/06/15 13:50 | Santos/Vojcinakova v Hartono A / Miyazaki Y L | 2-6,4-6 |
| ITF W25 Pelham WD | 2021/05/18 18:55 | Hartono A / Miyazaki Y L v Harrison/Sutjiadi | 4-6,7-6,6-10 |
| ITF W25 Poitiers WD | 2021/02/24 14:15 | Hartono A / Miyazaki Y L v Galfi D / Zimmermann K | 3-6,4-6 |
| Altenkirchen, Doubles W-ITF-GER-02A | 2021/02/19 14:55 | Kania-Chodun/Wachaczyk v Hartono A / Miyazaki Y L | 6-3,6-4 |
| Altenkirchen, Doubles W-ITF-GER-02A | 2021/02/18 14:45 | Gabric/Seibold v Hartono A / Miyazaki Y L | 1-6,3-6 |
| Altenkirchen, Doubles W-ITF-GER-02A | 2021/02/17 18:00 | Bucsa C / Marcinkevica D v Hartono A / Miyazaki Y L | 5-7,6-2,9-11 |
| Grenoble, Doubles W-ITF-FRA-04A | 2021/02/12 09:00 | Hartono A / Miyazaki Y L v Rosca/Zimmermann | 1-6,5-7 |
| Grenoble, Doubles W-ITF-FRA-04A | 2021/02/11 10:55 | Hartono A / Miyazaki Y L v Lechemia/Marcinkevica | 7-5,6-2 |