French Open - Dames | 05/30 09:00 | 24 | [40] Donna Vekic v Marta Kostyuk [20] | 7-5,6-4 | |
French Open - Dames | 05/26 11:05 | 23 | [119] Laura Pigossi v Marta Kostyuk [20] | 5-7,7-6,4-6 | |
WTA - Rome | 05/09 13:15 | 24 | [173] Naomi Osaka v Marta Kostyuk [20] | 6-3,6-2 | |
WTA - Madrid | 04/26 12:25 | 24 | [21] Marta Kostyuk v Mayar Sherif [72] | 2-6,5-7 | |
WTA - Stuttgart | 04/21 11:00 | 29 | [4] Elena Rybakina v Marta Kostyuk [27] | 6-2,6-2 | |
WTA - Stuttgart | 04/20 15:10 | 28 | [27] Marta Kostyuk v Marketa Vondrousova [8] | 7-6,6-2 | |
WTA - Stuttgart | 04/19 17:35 | 27 | [27] Marta Kostyuk v Coco Gauff [3] | 3-6,6-4,7-6 | |
WTA - Stuttgart | 04/18 18:50 | 26 | [7] Qinwen Zheng v Marta Kostyuk [27] | 2-6,6-4,5-7 | |
WTA - Stuttgart | 04/17 12:45 | 25 | [27] Marta Kostyuk v Laura Siegemund [84] | 6-3,6-7,6-4 | |
WTA - Indian Wells | 03/15 23:00 | 28 | [1] Iga Swiatek v Marta Kostyuk [32] | 6-2,6-1 | |
WTA - Indian Wells | 03/14 18:00 | 27 | [33] Anastasia Potapova v Marta Kostyuk [32] | 0-6,5-7 | |
WTA - Indian Wells | 03/12 20:00 | 26 | [24] Anastasia Pavlyuchenkova v Marta Kostyuk [32] | 4-6,1-6 | |
WTA - Indian Wells | 03/11 19:00 | 25 | Marta Kostyuk v Marketa Vondrousova | Walkover | |
WTA - Indian Wells | 03/08 23:35 | 24 | [32] Marta Kostyuk v Mai Hontama [120] | 6-4,6-2 | |
WA - San Diego | 03/04 01:15 | 29 | [34] Marta Kostyuk v Katie Boulter [49] | 7-5,2-6,2-6 | |
WA - San Diego | 03/03 01:45 | 28 | [5] Jessica Pegula v Marta Kostyuk [34] | 6-7,1-6 | |
WA - San Diego | 03/02 03:20 | 27 | [25] Anastasia Pavlyuchenkova v Marta Kostyuk [34] | 6-3,4-6,3-6 | |
WA - San Diego | 02/28 21:00 | 26 | [153] Taylah Preston v Marta Kostyuk [34] | 4-6,3-6 | |
WA - San Diego | 02/27 04:05 | 25 | [167] Ann Li v Marta Kostyuk [34] | 4-6,6-4,2-6 | |
WTA - Dubai | 02/19 16:15 | 24 | Daria Kasatkina v Marta Kostyuk | Cancelled | |
WTA - Doha | 02/13 11:00 | 25 | [29] Marta Kostyuk v Anastasia Pavlyuchenkova [32] | Retired | |
WTA - Doha | 02/11 11:00 | 24 | [43] Caroline Dolehide v Marta Kostyuk [30] | 3-6,5-7 | |
Australian Open - Dames | 01/23 02:05 | 27 | [37] Marta Kostyuk v Coco Gauff [4] | 6-7,7-6,2-6 | |
Australian Open - Dames | 01/21 02:15 | 26 | [37] Marta Kostyuk v Maria Timofeeva [170] | 6-2,6-1 | |
Australian Open - Dames | 01/19 03:20 | 25 | [74] Elina Avanesyan v Marta Kostyuk [37] | 6-2,4-6,4-6 | |
Australian Open - Dames | 01/17 09:55 | 24 | [37] Marta Kostyuk v Elise Mertens [28] | 5-7,6-1,7-6 | |
Australian Open - Dames | 01/15 03:55 | 23 | [37] Marta Kostyuk v Claire Liu [99] | 6-3,4-6,6-1 | |
WTA - Adelaide | 01/11 02:15 | 27 | [41] Marta Kostyuk v Jelena Ostapenko [12] | 5-7,3-6 | |
WTA - Adelaide | 01/10 04:45 | 26 | [80] Taylor Townsend v Marta Kostyuk [41] | 3-6,6-2,4-6 | |
WTA - Adelaide | 01/08 00:30 | 25 | [27] Anhelina Kalinina v Marta Kostyuk [38] | 6-7,1-6 |
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.