Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| 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 Rencheli, Abigail | 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 W60 Saskatoon | 2023/07/13 16:00 | Jessica Failla v Katarina Kozarov | 6-7,5-7 |
| ITF W25 Koge | 2023/08/05 09:00 | Valentini Grammatikopoulou v Hanne Vandewinkel | 3-6,3-6 |
| ITF W25 Koge | 2023/08/04 09:35 | Valentini Grammatikopoulou v Dejana Radanovic | 1-6,6-3,6-4 |
| ITF W25 Koge | 2023/08/03 08:00 | Valentini Grammatikopoulou v Anouk Koevermans | 1-6,7-6,6-2 |
| ITF W25 Koge | 2023/08/01 10:05 | Valentini Grammatikopoulou v Anca Alexia Todoni | 6-2,7-6 |
| WTA Lausanne | 2023/07/25 10:05 | Valentini Grammatikopoulou v Dalila Jakupovic | 6-7,2-6 |
| WTA Lausanne | 2023/07/24 09:00 | Valentini Grammatikopoulou v Valentina Ryser | 6-1,6-3 |
| WTA Budapest | 2023/07/18 09:00 | Valentini Grammatikopoulou v Tamara Korpatsch | 4-6,4-6 |
| WTA Budapest | 2023/07/16 11:00 | Valentini Grammatikopoulou v Astra Sharma | 3-6,1-6 |