Stadium: Court 6 Round: 25 Ground: Hardcourt indoor
| ITF W25 Karaganda | 2021/10/19 08:00 | Ayla Aksu v Anastasia Kovaleva | 5-7,3-6 |
| ITF W25 Karaganda | 2021/10/18 06:25 | Anastasia Kovaleva v Hanna Vinahradava | 6-2,6-1 |
| ITF W15 Kazan | 2021/10/12 07:00 | Anastasia Kovaleva v Varvara Altukhova | 6-4,3-6,9-11 |
| ITF W15 Moscow | 2021/07/20 09:30 | Daria Zelinskaya v Anastasia Kovaleva | 6-4,6-1 |
| ITF W15 Moscow | 2021/07/19 13:30 | Alana Tuayeva v Anastasia Kovaleva | 1-6,6-7 |
| ITF W60 Nur-Sultan | 2021/07/12 07:10 | Anastasia Kovaleva v Sofiya Chursina | 4-6,2-6 |
| ITF W15 Monastir | 2021/06/14 10:30 | Katarina Kozarov v Anastasia Kovaleva | 6-2,7-5 |
| ITF W15 Monastir | 2021/06/09 08:25 | Anastasia Kovaleva v Michika Ozeki | 1-6,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/08/13 08:00 | Marianna Zakarlyuk v Zdena Safarova | 7-5,2-5 |
| UTR Pro Tennis Series Zadar Women | 2021/08/12 10:30 | Marianna Zakarlyuk v Zuzana Zlochova | 1-6,2-6 |
| UTR Pro Tennis Series Zadar Women | 2021/08/11 09:30 | Katarina Zuzul v Marianna Zakarlyuk | 1-6,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/08/10 08:00 | Matea Mamic v Marianna Zakarlyuk | 4-6,6-1,3-5 |
| ITF W25 Kyiv | 2021/07/22 10:00 | Fanny Stollar v Marianna Zakarlyuk | 6-1,6-4 |
| ITF W25 Kyiv | 2021/07/21 08:00 | Maria Sara Popa v Marianna Zakarlyuk | 4-6,4-6 |
| ITF W60 Nur-Sultan | 2021/07/15 03:50 | Ekaterina Shalimova v Marianna Zakarlyuk | 6-1,6-3 |
| ITF W25 Nur-Sultan | 2021/07/07 08:30 | Marianna Zakarlyuk v Jacqueline Cabaj Awad | 3-6,5-7 |