Stadium: Court 2 Round: 44 Ground: Hardcourt outdoor
| ITF W15 Monastir | 2021/06/09 08:30 | Katarina Kozarov v Dalayna Hewitt | 0-6,4-6 |
| ITF W60 Rome GA | 2021/01/25 18:20 | Katarina Kozarov v Tara Moore | 1-6,2-6 |
| ITF W15 Monastir | 2021/01/05 09:30 | Katarina Kozarov v Zineb El Ouazzani | 6-0,6-2 |
| ITF W15 Monastir | 2020/12/31 09:30 | Katarina Kozarov v Vaidehi Chaudhari | 6-7,2-6 |
| ITF W15 Monastir | 2020/12/30 09:50 | Hanna Vinahradava v Katarina Kozarov | 2-6,0-6 |
| ITF W15 Monastir | 2020/12/23 08:30 | Martyna Kubka v Katarina Kozarov | 6-2,6-1 |
| ITF W15 Antalya | 2020/12/16 12:05 | Gergana Topalova v Katarina Kozarov | 3-6,6-3,6-4 |
| ITF W15 Antalya | 2020/12/16 08:45 | Kristina Milenkovic v Katarina Kozarov | 2-6,4-6 |
| ITF W15 Monastir | 2021/06/09 08:25 | Anastasia Kovaleva v Michika Ozeki | 1-6,3-6 |
| ITF W15 Monastir | 2021/06/08 08:30 | Anastasia Kovaleva v Emmanuelle Girard | 4-6,4-6 |
| ITF W15 Monastir | 2021/06/07 10:00 | Marie Villet v Anastasia Kovaleva | 3-6,6-7 |
| ITF W15 Monastir | 2021/06/06 12:30 | Anastasia Kovaleva v Lynda Benkaddour | 6-7,6-2,10-6 |
| ITF W15 Monastir | 2021/05/31 10:30 | Anastasia Kovaleva v Nina Radovanovic | 2-6,0-6 |
| ITF W15 Monastir | 2021/05/30 13:00 | Anastasia Kovaleva v Fitriana Sabrina | 6-4,5-7,11-9 |
| ITF W15 Sharm El Sheikh | 2021/04/07 15:40 | Anastasia Kovaleva v Katie Boulter | 0-6,2-6 |
| ITF W15 Sharm El Sheikh | 2021/04/06 06:55 | Haine Ogata v Anastasia Kovaleva | 6-2,6-2 |