Stadium: Court 4 Round: 54 Ground: Clay
| ITF W25 Kursumlijska Banja | 2023/05/15 07:00 | Pia Lovric v Natalia Kowalczyk | 6-2,6-0 |
| ITF W25 Kursumlijska Banja | 2023/05/14 10:30 | Mia Sarcev v Natalia Kowalczyk | 4-6,2-6 |
| ITF W25 Bujumbura | 2023/04/13 09:40 | Natalia Kowalczyk v Jasmijn Gimbrere | 2-6,3-6 |
| ITF W25 Bujumbura | 2023/04/12 07:00 | Chiraz Bechri v Natalia Kowalczyk | 4-6,6-0,6-7 |
| ITF W25 Bujumbura | 2023/04/10 08:00 | Nessa Pratt v Natalia Kowalczyk | 3-6,0-6 |
| ITF W25 Bujumbura | 2023/04/04 08:05 | Natalia Kowalczyk v Wozuko Mdlulwa | 6-7,6-4,4-6 |
| ITF W25 Bujumbura | 2023/04/03 08:00 | Min Liu v Natalia Kowalczyk | 6-2,2-6,7-10 |
| ITF W15 Heraklion | 2023/03/19 08:00 | Natalia Kowalczyk v Emma Slavikova | 3-6,4-6 |
| ITF W25 Kursumlijska Banja | 2023/05/15 15:55 | Tiffany William v Ana Grubor | 6-1,7-5 |
| ITF W60 Zagreb | 2023/05/08 10:05 | Arina Rodionova v Ana Grubor | 6-4,6-2 |
| ITF W60 Zagreb | 2023/05/07 08:00 | Greta Maric v Ana Grubor | 0-6,1-6 |
| ITF W60 Bellinzona | 2023/04/16 07:50 | Fiona Ferro v Ana Grubor | 6-2,6-1 |
| ITF W80 Zaragoza | 2023/04/10 08:50 | Ekaterina Yashina v Ana Grubor | 6-0,6-2 |
| ITF W15 Sharm El Sheikh | 2023/04/05 08:00 | Ana Grubor v Taylah Preston | 2-6,1-6 |
| ITF W15 Sharm El Sheikh | 2023/03/29 15:05 | Ana Grubor v Sandy Marti | 5-7,3-6 |
| ITF W15 Le Havre | 2023/03/23 14:00 | Tina Nadine Smith v Ana Grubor | 6-0,6-1 |