ITF W35 Villeneuve d'Ascq 11/03 10:55 54 Mariia Kostiuk v Alexia Lavina Puiac 1-6,3-6
ITF W50 Saint Palais Sur Mer 09/01 14:35 54 Chloe Cirotte v Mariia Kostiuk 6-2,6-4
ITF W35 Collonge-Bellerive 08/26 12:30 54 Stefaniya Pushkar v Mariia Kostiuk 6-3,6-2
ITF W35 Verbier 08/18 13:25 45 Mariia Kostiuk v Sophie Luescher 1-6,3-6
ITF W75 Amstetten 08/11 09:15 54 Mariia Kostiuk v Timea Jaruskova 4-6,7-6,5-7
ITF W50 Zagreb 08/04 11:15 54 Sara Stojanovic v Mariia Kostiuk 6-4,1-6,6-4
ITF W75 Cordenons 07/28 09:40 54 Ksenia Zaytseva v Mariia Kostiuk 6-1,6-0
ITF W100 Biarritz 06/10 11:25 54 Dalila Spiteri v Mariia Kostiuk 6-0,6-0
ITF W50 Montemor-O-Novo Qual 06/02 19:40 54 Mariia Kostiuk v Elena Giovanna Giessler 3-6,3-6
ITF W35 Santa Margherita 05/01 14:10 25 Mariia Kostiuk v Greta Greco Lucchina 1-6,6-1,4-6
ITF W35 Santa Margherita 04/29 08:40 54 Julia Peer v Mariia Kostiuk 3-6,6-4,7-10
ITF W35 Solarino 03/03 11:00 54 Emily Webley-Smith v Mariia Kostiuk 6-0,6-3
ITF W15 Manacor 02/27 14:00 62 Mariia Kostiuk v Cayetana Gay 6-7,6-4,7-10
ITF W15 Manacor 02/25 11:00 62 Mariia Kostiuk v Elena Michel 6-4,6-3
ITF W75 Porto 02/19 13:25 19 Leyre Romero Gormaz v Mariia Kostiuk 6-0,6-1
ITF W75 Andrezieux-Boutheon 01/29 10:55 54 Magali Kempen v Mariia Kostiuk 6-1,6-1
ITF W40 Funchal 11/12 16:05 54 Mariia Kostiuk v Stephanie J Visscher 4-6,2-6
ITF W60 Nantes 10/29 10:15 54 Mariia Kostiuk v Mathilde Ngijol Carre 0-6,2-6
ITF W25 Cherbourg 10/15 14:00 44 Evita Ramirez v Mariia Kostiuk 6-1,6-1
ITF W60 Collonge-Bellerive 08/29 11:40 54 Mariia Kostiuk v Amandine Hesse 1-6,0-6
ITF W100 Vitoria-Gasteiz 07/17 12:40 54 Mariia Kostiuk v Sofia Milatova 3-6,0-6
ITF W40 Palma del Rio 06/25 09:10 54 Mariia Kostiuk v Yasmine Mansouri 2-6,4-6
ITF W25 Setubal 06/05 11:00 62 Carolina Mesquita v Mariia Kostiuk 7-5,2-6,10-6
ITF W40 Montemor-O-Novo 05/29 12:00 54 Eva A Sande v Mariia Kostiuk 7-6,6-2
ITF W40 Montemor-O-Novo 05/28 15:00 54 Nicole Giannini v Mariia Kostiuk 1-6,3-6
ITF W25 Santa Margherita 05/02 07:55 54 Yaroslava Bartashevich v Mariia Kostiuk 6-2,6-2
ITF W25 Santa Margherita 04/24 10:40 54 Mariia Kostiuk v Alessandra Mazzola 1-6,4-6
ITF W25 Santa Margherita 04/03 08:30 54 Mariia Kostiuk v Michaela Laki 1-6,0-6
ITF W25 Selva Gardena 11/27 12:00 54 Mariia Kostiuk v Daria Lopatetska 0-6,2-6
ITF W25 Ortisei 11/20 14:00 54 Mariia Kostiuk v Carola Cavelli 0-6,2-6