| ITF - W40 Porto | 02/08 16:15 | 25 | [422] Ekaterina Kazionova v Celine Naef [264] | 1-6,4-6 | |
| ITF - W40 Porto | 02/06 10:00 | 45 | Ekaterina Kazionova v Anika Jaskova | 6-3,7-5 | |
| ITF - W40 Porto | 01/30 14:45 | 45 | Maria Bondarenko v Ekaterina Kazionova | 6-1,7-6 | |
| ITF - W40 Porto | 01/29 15:00 | 45 | Lena Couto v Ekaterina Kazionova | 1-6,1-6 | |
| ITF - W60 Andrezieux-Boutheon | 01/23 12:35 | 54 | Ekaterina Kazionova v Lucie Wargnier | 3-6,6-2,6-7 | |
| ITF - W25 Ortisei | 11/24 13:05 | 27 | Ana Konjuh v Ekaterina Kazionova | 6-4,6-4 | |
| ITF - W25 Ortisei | 11/23 12:45 | 26 | Ekaterina Kazionova v Evialina Laskevich | 6-2,4-6,7-6 | |
| ITF - W25 Ortisei | 11/22 11:45 | 25 | Lara Pfeifer v Ekaterina Kazionova | 4-6,1-6 | |
| ITF - W25 Saint Etienne | 11/18 10:25 | 27 | Ekaterina Kazionova v Conny Perrin | 2-6,3-6 | |
| ITF - W25 Saint Etienne | 11/17 09:30 | 26 | Ekaterina Kazionova v Adriana Rajkovic | 7-6,6-2 | |
| ITF - W25 Saint Etienne | 11/16 08:55 | 25 | Ekaterina Kazionova v Maelle Leclercq | 6-4,6-1 | |
| ITF - W60 Nantes | 11/02 09:30 | 26 | Xinyu Wang v Ekaterina Kazionova | 6-1,6-3 | |
| ITF - W60 Nantes | 11/01 12:25 | 25 | Margaux Rouvroy v Ekaterina Kazionova | 6-3,4-6,3-6 | |
| ITF - W25 Istanbul | 10/25 16:05 | 25 | Ekaterina Kazionova v Raluca Georgiana Serban | 1-6,4-6 | |
| ITF - W60 Hamburg | 10/18 08:00 | 25 | Ekaterina Kazionova v Alexandra Eala | 6-2,4-6,4-6 | |
| ITF - W25 Cherbourg | 10/14 14:55 | 27 | Ekaterina Kazionova v Elsa Jacquemot | 4-6,6-4,3-6 | |
| ITF - W25 Cherbourg | 10/13 13:05 | 26 | Ekaterina Kazionova v Malene Helgo | 6-2,6-1 | |
| ITF - W25 Cherbourg | 10/12 08:30 | 25 | Daniela Vismane v Ekaterina Kazionova | 6-3,5-7,2-6 | |
| ITF W60 - Trnava | 10/05 08:00 | 25 | Ekaterina Kazionova v Vera Lapko | 5-7,4-6 | |
| WTA Seoul | 09/18 06:05 | 19 | [205] Astra Sharma v Ekaterina Kazionova [306] | 6-1,6-0 | |
| WTA Seoul | 09/17 02:15 | 14 | [167] Ji-Hee Choi v Ekaterina Kazionova [306] | 6-3,3-6,4-6 | |
| WTA - Chennai | 09/10 04:30 | 45 | [423] Olivia Tjandramulia v Ekaterina Kazionova [313] | 6-3,6-1 | |
| ITF - W25 Vrnjacka Banja | 08/18 10:05 | 26 | Ekaterina Kazionova v Lexie Stevens | 2-6,2-6 | |
| ITF - W25 Vrnjacka Banja | 08/17 15:50 | 25 | Ekaterina Kazionova v Funa Kozaki | 6-3,6-3 | |
| ITF - W25 Ust-Kamenogorsk | 08/12 04:00 | 27 | Ekaterina Kazionova v Tatiana Barkova | 3-6,1-6 | |
| ITF - W25 Ust-Kamenogorsk | 08/11 09:00 | 26 | Ekaterina Kazionova v Arina Solomatina | 6-4,6-7,6-3 | |
| ITF - W25 Ust-Kamenogorsk | 08/10 07:05 | 25 | Ekaterina Kazionova v Vladislava Andreevskaya | 6-0,6-0 | |
| ITF - W60 Nur-Sultan | 07/21 04:30 | 26 | Ekaterina Kazionova v Sofya Lansere | 2-6,1-6 | |
| ITF - W60 Nur-Sultan | 07/20 08:25 | 25 | Ekaterina Kazionova v Ekaterina Maklakova | 2-6,6-2,6-2 | |
| ITF - W25 Nur-Sultan | 07/13 06:35 | 25 | Anna Kubareva v Ekaterina Kazionova | 6-3,6-2 |