Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| WTA - Barranquilla | 2023/08/14 20:30 | Katarina Kozarov v Valentini Grammatikopoulou | 3-6,2-6 |
| WTA - Barranquilla | 2023/08/13 20:30 | Katarina Kozarov v Yuliana Lizarazo | 6-2,7-5 |
| ITF W80 - Brasilia | 2023/08/07 18:00 | Natalija Stevanovic v Katarina Kozarov | 3-6,6-3,6-2 |
| ITF - W60 Feira De Santana | 2023/08/03 12:00 | Jana Kolodynska v Katarina Kozarov | 6-7,6-3,6-3 |
| ITF - W60 Feira De Santana | 2023/08/02 13:50 | Katarina Kozarov v Abigail Rencheli | 6-3,7-6 |
| ITF - W60 Evansville | 2023/07/19 16:00 | Katarina Kozarov v Varvara Lepchenko | 4-6,2-6 |
| ITF - W60 Saskatoon | 2023/07/15 18:30 | Katarina Kozarov v Emina Bektas | 3-6,2-6 |
| ITF - W60 Saskatoon | 2023/07/14 17:15 | Katarina Kozarov v Alana Smith | 3-6,7-5,6-3 |
| ITF W25 - Vigo | 2023/08/24 14:00 | Anna Kubareva v Charo Esquiva Banuls | 3-6,6-7 |
| ITF W25 - Vigo | 2023/08/22 07:55 | Anna Kubareva v Hina Inoue | 7-5,6-3 |
| ITF W25 - Ourense | 2023/08/17 10:25 | Anna Kubareva v Alina Charaeva | 4-6,2-6 |
| ITF W25 - Ourense | 2023/08/16 11:40 | Anna Kubareva v Judith P Saavedra | 4-6,6-3,6-0 |
| ITF - W100 Figueira Da Foz | 2023/07/25 09:00 | Anna Kubareva v Harmony Tan | 2-6,1-6 |
| ITF - W100 Figueira Da Foz | 2023/07/24 10:00 | Anna Kubareva v Kira Pavlova | 6-4,6-3 |
| ITF - W100 Figueira Da Foz | 2023/07/23 08:30 | Anna Kubareva v Vasanti Shinde | 6-0,6-0 |
| ITF - W40 Porto | 2023/07/18 12:10 | Anna Kubareva v Isabella Shinikova | 7-5,2-6,6-7 |