Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF W25 Milovice | 2021/11/21 08:00 | Ekaterina Kazionova v Ivana Sebestova | 6-2,6-1 |
| ITF W25 Pétange | 2021/11/15 08:00 | Ekaterina Kazionova v Sandy Marti | 2-6,4-6 |
| ITF W25 Pétange | 2021/11/14 11:25 | Ekaterina Kazionova v Diana Martynov | 6-4,6-4 |
| ITF W25 Karaganda | 2021/10/30 04:55 | Ekaterina Kazionova v Nigina Abduraimova | 3-6,2-6 |
| ITF W25 Karaganda | 2021/10/29 05:00 | Martyna Kubka v Ekaterina Kazionova | 6-7,4-6 |
| ITF W25 Karaganda | 2021/10/28 06:40 | Ekaterina Kazionova v Justina Mikulskyte | 6-2,6-0 |
| ITF W25 Karaganda | 2021/10/24 07:45 | Ekaterina Kazionova v Yuliya Hatouka | 5-7,0-6 |
| ITF W25 Karaganda | 2021/10/23 05:00 | Valentina Ryser v Ekaterina Kazionova | 3-6,1-6 |
| ITF W25 Milovice | 2021/11/21 08:00 | Lucie Urbanova v Emily Webley-Smith | 6-2,6-4 |