| ITF W60 Torun | 06/08 11:00 | 28 | [206] Marta Kostyuk v Allie Kiick [150] | 6-7,6-3,6-4 | |
| ITF W60 Torun | 06/07 10:00 | 27 | [206] Marta Kostyuk v Anhelina Kalinina [151] | 1-6,6-3,6-3 | |
| ITF W60 Torun | 06/06 11:30 | 26 | [191] Paula Ormaechea v Marta Kostyuk [206] | 4-6,6-4,6-7 | |
| ITF W60 Torun | 06/04 12:00 | 25 | [206] Marta Kostyuk v Nuria Parrizas-Diaz [253] | 6-2,6-0 | |
| WTA - Strasbourg | 05/23 12:20 | 27 | [24] Caroline Garcia v Marta Kostyuk [264] | 3-6,6-3,6-2 | |
| WTA - Strasbourg | 05/22 10:15 | 26 | [264] Marta Kostyuk v Saisai Zheng [45] | 6-3,6-1 | |
| WTA - Strasbourg | 05/20 12:35 | 25 | [266] Marie Benoit v Marta Kostyuk [264] | 4-6,1-6 | |
| WTA - Strasbourg | 05/19 12:30 | 64 | [280] Marta Kostyuk v Jaqueline Cristian [247] | 6-1,6-2 | |
| WTA - Strasbourg | 05/18 13:05 | 45 | [206] Shuyue Ma v Marta Kostyuk [280] | 5-7,2-6 | |
| ITF W60 - La Bisbal | 05/17 08:00 | 27 | [164] Xiyu Wang v Marta Kostyuk [280] | 7-5,7-5 | |
| ITF W60 - La Bisbal | 05/16 10:35 | 26 | [280] Marta Kostyuk v Stefanie Voegele [96] | 6-2,6-3 | |
| ITF W60 - La Bisbal | 05/15 10:10 | 25 | [280] Marta Kostyuk v Arina Rodionova [223] | 6-1,6-1 | |
| ITF W60 - La Bisbal | 05/13 14:20 | 45 | [280] Marta Kostyuk v Varvara Gracheva [302] | 6-3,1-6,10-1 | |
| ITF W60 - La Bisbal | 05/13 11:45 | 45 | [280] Marta Kostyuk v Miriam B Bulgaru [494] | 6-2,6-1 | |
| WTA - Madrid | 05/05 16:45 | 24 | [85] Kristyna Pliskova v Marta Kostyuk [320] | 3-6,6-3,6-2 | |
| WTA - Madrid | 05/04 09:00 | 46 | [320] Marta Kostyuk v Irina Bara [178] | 7-5,3-6,6-2 | |
| WTA - Madrid | 05/03 10:00 | 45 | [53] Amanda Anisimova v Marta Kostyuk [320] | 0-6,6-2,0-6 | |
| ITF W25 Chiasso | 04/27 13:30 | 28 | [269] Jaqueline Adina Cristian v Marta Kostyuk [249] | 4-6,6-1,6-3 | |
| ITF W25 Chiasso | 04/27 08:30 | 27 | [205] Kathinka Von Deichmann v Marta Kostyuk [249] | 7-6,2-6,6-7 | |
| ITF W25 Chiasso | 04/26 08:30 | 26 | [410] Caroline Werner v Marta Kostyuk [249] | 6-7,1-6 | |
| ITF W25 Chiasso | 04/25 08:25 | 25 | [391] Georgia Brescia v Marta Kostyuk [249] | 4-6,3-6 | |
| 2019 Fed Cup | 02/08 09:00 | - | Marta Kostyuk v Saara Orav | 6-3,6-0 | |
| 2019 Fed Cup | 02/07 09:00 | - | [195] Marta Kostyuk v Isabella Shinikova [251] | 7-5,6-4 | |
| ITF W60 Launceston | 01/30 23:00 | 26 | [155] Marta Kostyuk v Maryna Zanevska [217] | 4-6,6-4,6-7 | |
| ITF W60 Launceston | 01/28 23:00 | 25 | [155] Marta Kostyuk v Xiyu Wang [186] | 6-3,6-4 | |
| ITF W60 - Burnie | 01/24 00:00 | 26 | [116] Marta Kostyuk v Xiyu Wang [206] | 4-6,1-6 | |
| ITF W60 - Burnie | 01/23 02:05 | 25 | [116] Marta Kostyuk v Kai-Chen Chang [398] | 6-3,6-4 | |
| Australian Open - Dames | 01/10 23:00 | 46 | [116] Marta Kostyuk v Paula Badosa Gibert [142] | 6-7,3-6 | |
| Australian Open - Dames | 01/09 23:00 | 45 | [116] Marta Kostyuk v Amandine Hesse [241] | 6-3,6-2 | |
| Australian Open - Dames | 01/08 01:10 | 44 | [116] Marta Kostyuk v Jana Cepelova [177] | 6-3,7-5 |
Wikipedia - Marta Kostjoek
Marta Olehivna Kostjoek (Oekraïens: Марта Олегівна Костюк) (Kiev, 28 juni 2002) is een tennisspeelster uit Oekraïne. Zij begon op vijfjarige leeftijd met tennis. Zij speelt rechtshandig en heeft een tweehandige backhand. Zij is actief in het internationale tennis sinds 2016.