Stadium: COURT 2 Round: 54 Ground: Clay
| ITF W60 Nur-Sultan | 2021/07/13 07:00 | Ekaterina Kazionova v Ainitdinova, Gozal | 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 W25 Madrid | 2021/06/09 09:50 | Ekaterina Kazionova v Karman Kaur Thandi | 1-6,4-6 |
| ITF W25 Kazan | 2021/06/02 07:00 | Ekaterina Kazionova v Talbi, Shalimar | 3-6,4-6 |
| ITF W15 Bratislava | 2021/03/17 11:15 | Ekaterina Kazionova v Anika Jaskova | 4-6,6-2,6-3 |
| ITF W25 Kazan | 2021/03/11 13:50 | Ekaterina Kazionova v Ekaterina Yashina | 3-6,6-0,4-6 |
| ITF W25 Kazan | 2021/03/10 08:30 | Anastasia Zakharova v Ekaterina Kazionova | 4-6,2-6 |
| Moscou, Simples W-ITF-RUS-02A | 2021/02/23 10:40 | Ekaterina Kazionova v Ekaterina Maklakova | 6-3,6-7,9-11 |
| ITF W25 Kazan | 2021/05/30 13:20 | Mishieva, Nikol v Solomatina, Arina | 0-6,0-6 |
| ITF W15 Jerusalem | 2021/05/11 06:30 | Mishieva, Nikol v Major, Noa | 0-6,2-6 |
| ITF W15 Ramat Hasharon | 2021/05/04 07:00 | Mishieva, Nikol v Julie Belgraver | 0-6,1-6 |
| ITF - W15 Héraklion | 2020/03/01 11:00 | Ersoz, Vanessa v Mishieva, Nikol | 6-0,6-2 |