Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Eastern European Championship Women | 2020/07/30 13:10 | Andjela Jocovic v Katarina Kozarov | 6-4,6-1 |
| Eastern European Championship Women | 2020/07/29 13:30 | Nefisa Berberovic v Katarina Kozarov | 7-5,6-0 |
| Eastern European Championship Women | 2020/07/27 14:15 | Elena Milovanovic v Katarina Kozarov | 6-2,7-6 |
| ITF W15 Cancun | 2020/02/21 14:00 | Maria Lourdes Carle v Katarina Kozarov | 6-1,6-2 |
| ITF W15 Cancun | 2020/02/20 17:05 | Nicole Nadel v Katarina Kozarov | 7-5,3-6,3-6 |
| ITF W15 Cancun | 2020/02/19 15:00 | Katarina Kozarov v Fanny Ostlund | 6-0,6-4 |
| ITF W15 Cancun | 2020/02/16 17:00 | Katarina Kozarov v Anastasia Reimchen | 6-2,6-2 |
| ITF W15 Antalya | 2019/12/19 07:00 | Katarina Kozarov v Sakura Hosogi | 6-4,3-6,1-6 |