Estádio: COURT 9 Round: 62 Ground: Clay
| ITF - W15 Ramat HaSharon | 2021/05/05 08:50 | Hiroko Kuwata v Anna Ozerova | 6-7,6-3,6-0 |
| ITF - W25 Wrocław | 2021/06/28 08:00 | Anastasiya Konstantinovna Soboleva v Anna Ozerova | 6-1,6-1 |
| ITF - W25 Wrocław | 2021/06/27 09:30 | Ewa Samberger v Anna Ozerova | 1-6,4-6 |
| ITF - W15 Alkmaar | 2021/06/21 15:00 | Anna Ozerova v Joelle Lilly Sophie Steur | 6-7,3-6 |
| ITF - W15 Alkmaar | 2021/06/20 13:30 | Lian Tran v Anna Ozerova | 4-6,3-6 |
| ITF - W15 Vílnius | 2021/06/07 08:00 | Anna Ozerova v Patricija Spaka | 1-6,3-6 |
| ITF - W25 Liepāja | 2021/05/24 09:15 | Anna Ozerova v Iveta Dapkute | 4-6,2-6 |
| ITF - W15 Tbilisi | 2021/05/17 06:00 | Ekaterina Yashina v Anna Ozerova | 6-2,6-4 |
| ITF - W15 Tbilisi | 2021/05/17 06:00 | Kristine Nanava v Anna Ozerova | 3-6,0-6 |
| ITF - W60 Nur-Sultã | 2021/07/13 06:50 | Hiroko Kuwata v Anna Kubareva | 6-1,2-6,2-6 |
| ITF - W25 Nur-Sultã | 2021/07/07 06:10 | Sabina Sharipova v Hiroko Kuwata | 6-1,6-2 |
| ITF - W25 Palma del Río | 2021/06/29 20:15 | Hiroko Kuwata v Valeria Savinykh | 1-6,2-6 |
| ITF - W25 Porto | 2021/06/22 11:55 | Hiroko Kuwata v Lucia Cortez Llorca | 4-6,6-4,7-10 |
| ITF - W25 Porto | 2021/06/21 18:00 | Hiroko Kuwata v Ingrid Vojcinakova | 6-7,6-2,10-5 |
| ITF - W25 Figueira da Foz | 2021/06/16 14:55 | Hiroko Kuwata v Maria G Carrasco | 1-6,3-6 |
| ITF - W25 Figueira da Foz | 2021/06/14 11:35 | Hiroko Kuwata v Olivia Nicholls | 6-1,7-6 |
| ITF - W25 Montemor-o-Novo | 2021/06/09 16:30 | Valentini Grammatikopoulou v Hiroko Kuwata | 6-3,6-4 |