Stadium: Centre Court Round: 62 Ground: Hardcourt outdoor
| ITF W15 Manacor | 2024/02/25 11:00 | Mariia Kostiuk v Elena Michel | 6-4,6-3 |
| ITF W75 Porto | 2024/02/19 13:25 | Leyre Romero Gormaz v Mariia Kostiuk | 6-0,6-1 |
| ITF W75 Andrezieux-Boutheon | 2024/01/29 10:55 | Magali Kempen v Mariia Kostiuk | 6-1,6-1 |
| ITF W40 Funchal | 2023/11/12 16:05 | Mariia Kostiuk v Stephanie Judith Visscher | 4-6,2-6 |
| ITF W60 Nantes | 2023/10/29 10:15 | Mariia Kostiuk v Mathilde Ngijol Carre | 0-6,2-6 |
| ITF W25 Cherbourg | 2023/10/15 14:00 | Evita Ramirez v Mariia Kostiuk | 6-1,6-1 |
| ITF W60 Collonge-Bellerive | 2023/08/29 11:40 | Mariia Kostiuk v Amandine Hesse | 1-6,0-6 |
| ITF W100 Vitoria-Gasteiz | 2023/07/17 12:40 | Mariia Kostiuk v Sofia Milatova | 3-6,0-6 |
| ITF W15 Manacor | 2024/02/25 11:00 | Cayetana Gay v Judit Hernandez Miranda | 6-2,6-0 |
| ITF W15 Manacor | 2024/02/11 10:00 | Tea Nikcevic v Cayetana Gay | 6-0,6-4 |
| ITF W15 Valencia | 2023/12/09 10:00 | Cayetana Gay v Ruth Roura LLaverias | 2-6,2-6 |
| ITF W15 Valencia | 2023/12/07 10:30 | Cayetana Gay v Chiara Girelli | 4-6,7-5,6-4 |
| ITF W15 Valencia | 2023/12/06 09:25 | Cayetana Gay v Africa Burillo Berezak | 6-4,7-6 |
| ITF W15 Valencia | 2023/12/04 14:00 | Vanja Gudelj v Cayetana Gay | 1-6,2-6 |
| ITF W15 Valencia | 2023/12/04 10:30 | Cayetana Gay v Carla Fity | 6-2,7-5 |
| ITF W15 Valencia | 2023/12/03 11:30 | Cayetana Gay v Elena Molla Pons | 6-2,6-0 |