| ITF - W25 Petange | 11/14 11:25 | 44 | Ekaterina Kazionova v Diana Martynov | 6-4,6-4 | |
| ITF - W25 Karaganda | 10/30 04:55 | 28 | [447] Ekaterina Kazionova v Nigina Abduraimova [486] | 3-6,2-6 | |
| ITF - W25 Karaganda | 10/29 05:00 | 27 | [318] Martyna Kubka v Ekaterina Kazionova [447] | 6-7,4-6 | |
| ITF - W25 Karaganda | 10/28 06:40 | 26 | [447] Ekaterina Kazionova v Justina Mikulskyte [358] | 6-2,6-0 | |
| ITF - W25 Karaganda | 10/27 10:25 | 25 | Noel Saidenova v Ekaterina Kazionova | Retired | |
| ITF - W25 Karaganda | 10/24 07:45 | 29 | [447] Ekaterina Kazionova v Yuliya Hatouka [228] | 5-7,0-6 | |
| ITF - W25 Karaganda | 10/23 05:00 | 28 | Valentina Ryser v Ekaterina Kazionova | 3-6,1-6 | |
| ITF - W25 Karaganda | 10/22 04:55 | 27 | Ekaterina Kazionova v Ekaterina Maklakova | 6-2,2-6,6-4 | |
| ITF - W25 Karaganda | 10/21 06:30 | 26 | Ekaterina Kazionova v Vladlena Bokova | 6-4,3-6,6-2 | |
| ITF - W25 Karaganda | 10/20 05:00 | 25 | [276] Suzan Lamens v Ekaterina Kazionova [447] | 4-6,0-6 | |
| WTA - Nur-Sultan | 09/25 05:15 | 26 | [452] Ekaterina Kazionova v Anastasia Zakharova [222] | 3-6,2-6 | |
| ITF - W80 Wiesbaden | 09/20 12:00 | 54 | [452] Ekaterina Kazionova v Ipek Oz [339] | 2-6,6-3,3-10 | |
| ITF - W25 Viena | 08/31 11:30 | 25 | [451] Ekaterina Kazionova v Jessica Pieri [259] | 6-3,4-6,3-6 | |
| ITF - W25 Braunschweig | 08/24 10:00 | 25 | [462] Ekaterina Kazionova v Katharina Hobgarski [302] | 5-7,3-6 | |
| ITF - W25 Oldenzaal | 08/19 09:00 | 26 | [461] Ekaterina Kazionova v Vlada Koval [360] | 6-7,3-6 | |
| ITF - W25 Oldenzaal | 08/18 11:20 | 25 | Ekaterina Kazionova v Emily Arbuthnott | 6-2,6-0 | |
| ITF - W25 Koksijde | 08/09 12:50 | 54 | Ekaterina Kazionova v Anna Klasen | 4-6,6-3,5-10 | |
| ITF - W25 Koksijde | 08/08 10:35 | 54 | Ekaterina Kazionova v Irene Zorg | 6-1,6-1 | |
| ITF - W25 Parnu | 08/04 13:30 | 25 | Ekaterina Kazionova v Oleksandra Oliynykova | 2-6,6-7 | |
| ITF - W60 Versmold | 07/25 07:55 | 54 | Gina Marie Dittmann v Ekaterina Kazionova | 6-3,3-6,10-3 | |
| ITF - W15 Moscova | 07/22 08:20 | 26 | [462] Ekaterina Kazionova v Nigina Abduraimova [436] | 1-6,6-4,3-6 | |
| ITF - W15 Moscova | 07/21 09:55 | 25 | Ekaterina Kazionova v Ekaterina Khayrutdinova | 7-6,7-5 | |
| ITF - W15 Moscova | 07/20 07:00 | 54 | Ekaterina Kazionova v Victoria Mikhaylova | 6-4,6-0 | |
| ITF - W15 Moscova | 07/19 08:00 | 54 | Ekaterina Kazionova v Nikol Mishieva | 6-2,6-0 | |
| ITF - W60 Nur-Sultan | 07/13 07:00 | 25 | Ekaterina Kazionova v Gozal Ainitdinova | 2-6,4-6 | |
| ITF - W25 Nur-Sultan | 07/07 09:40 | 25 | [444] Maria Timofeeva v Ekaterina Kazionova [448] | 6-2,2-6,6-2 | |
| ITF - W25 Madrid | 06/16 11:45 | 25 | [476] Ekaterina Yashina v Ekaterina Kazionova [437] | Retired | |
| ITF - W25 Madrid | 06/09 09:50 | 25 | Ekaterina Kazionova v Karman Kaur Thandi | 1-6,4-6 | |
| ITF - W25 Kazan | 06/02 07:00 | 25 | [435] Ekaterina Kazionova v Shalimar Talbi [351] | 3-6,4-6 | |
| ITF - W15 Bratislava | 03/18 09:00 | 26 | Ekaterina Kazionova v Elena Malygina | Retired |