Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF W40 Palma del Rio | 2023/06/25 09:10 | Mariia Kostiuk v Yasmine Mansouri | 2-6,4-6 |
| ITF W25 Setubal | 2023/06/05 11:00 | Carolina Mesquita v Mariia Kostiuk | 7-5,2-6,10-6 |
| ITF W40 Montemor-O-Novo | 2023/05/29 12:00 | Eva A Sande v Mariia Kostiuk | 7-6,6-2 |
| ITF W40 Montemor-O-Novo | 2023/05/28 15:00 | Nicole Giannini v Mariia Kostiuk | 1-6,3-6 |
| 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 Perigueux | 2023/06/26 16:30 | Mina Hodzic v Mathilde Ngijol Carre | 6-1,6-0 |
| ITF W25 Perigueux | 2023/06/26 12:55 | Mathilde Ngijol Carre v Marine Szostak | 6-4,3-6,12-10 |