Stadium: Araba Aldundia Round: 54 Ground: Hardcourt outdoor
| ITF W25 Santa Margherita | 2023/05/02 07:55 | Yara Bartashevich v Mariia Kostiuk | 6-2,6-2 |
| ITF W25 Santa Margherita | 2023/04/24 10:40 | Mariia Kostiuk v Alessandra Mazzola | 1-6,4-6 |
| ITF W25 Santa Margherita | 2023/04/03 08:30 | Mariia Kostiuk v Michaela Laki | 1-6,0-6 |
| ITF W25 Selva Gardena | 2022/11/27 12:00 | Mariia Kostiuk v Dasha Lopatetskaya | 0-6,2-6 |
| ITF W25 Ortisei | 2022/11/20 14:00 | Mariia Kostiuk v Carola Cavelli | 0-6,2-6 |
| ITF W25 Saint Etienne | 2022/11/14 15:00 | Mariia Kostiuk v Astrid Cirotte | 1-6,1-6 |
| ITF W60 Brescia | 2022/05/30 10:35 | Mariia Kostiuk v Verena Meliss | 3-6,0-6 |
| ITF W60 Grado | 2022/05/23 15:55 | Mariia Kostiuk v Sapfo Sakellaridi | 0-6,1-6 |
| ITF W100 Trnava | 2023/05/09 12:05 | Kristina Dmitruk v Sofia Milatova | 6-2,6-1 |
| ITF W100 Trnava | 2023/05/08 10:30 | Tereza Smitkova v Sofia Milatova | 6-2,6-3 |
| ITF W100 Trnava | 2023/05/07 11:10 | Zuzana Sopkova v Sofia Milatova | 0-6,0-6 |
| ITF W60 Koper | 2023/04/17 12:20 | Andreea Mitu v Sofia Milatova | 6-1,6-2 |
| ITF W60 Koper | 2023/04/16 14:10 | Iva Primorac v Sofia Milatova | 3-6,1-6 |
| ITF W40 Split | 2023/04/03 07:55 | Maileen Nuudi v Sofia Milatova | 6-2,6-3 |
| ITF W40 Split | 2023/04/02 10:30 | Sofia Milatova v Oana Gavrila | 6-3,4-6,6-1 |
| ITF W40 Murska Sobota | 2023/03/27 09:50 | Tatiana Prozorova v Sofia Milatova | 6-4,6-3 |