Stadium: CENTER COURT Round: 54 Ground: Clay
| ITF - W25 Parnu | 2021/08/04 13:30 | Ekaterina Kazionova v Oleksandra Oliynykova | 2-6,6-7 |
| ITF - W60 Versmold | 2021/07/25 07:55 | Gina Marie Dittmann v Ekaterina Kazionova | 6-3,3-6,10-3 |
| ITF - W15 Moskva | 2021/07/22 08:20 | Ekaterina Kazionova v Nigina Abduraimova | 1-6,6-4,3-6 |
| ITF - W15 Moskva | 2021/07/21 09:55 | Ekaterina Kazionova v Ekaterina Khayrutdinova | 7-6,7-5 |
| ITF - W15 Moskva | 2021/07/20 07:00 | Ekaterina Kazionova v Victoria Mikhaylova | 6-4,6-0 |
| ITF - W15 Moskva | 2021/07/19 08:00 | Ekaterina Kazionova v Nikol Mishieva | 6-2,6-0 |
| ITF - W60 Nur-Sultan | 2021/07/13 07:00 | Ekaterina Kazionova v Gozal Ainitdinova | 2-6,4-6 |
| ITF - W25 Nur-Sultan | 2021/07/07 09:40 | Maria Timofeeva v Ekaterina Kazionova | 6-2,2-6,6-2 |
| ITF - W15 Knokke | 2021/07/25 10:00 | Irene Zorg v Laura Boehner | 0-6,0-6 |