| 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 | |
| WTA - San Diego | 03/04 01:15 | 29 | [34] Marta Kostyuk v Katie Boulter [49] | 7-5,2-6,2-6 | |
| WTA - San Diego | 03/03 01:45 | 28 | [5] Jessica Pegula v Marta Kostyuk [34] | 6-7,1-6 | |
| WTA - San Diego | 03/02 03:20 | 27 | [25] Anastasia Pavlyuchenkova v Marta Kostyuk [34] | 6-3,4-6,3-6 | |
| WTA - San Diego | 02/28 21:00 | 26 | [153] Taylah Preston v Marta Kostyuk [34] | 4-6,3-6 | |
| WTA - 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 - Frauen | 01/23 02:05 | 27 | [37] Marta Kostyuk v Coco Gauff [4] | 6-7,7-6,2-6 | |
| Australian Open - Frauen | 01/21 02:15 | 26 | [37] Marta Kostyuk v Maria Timofeeva [170] | 6-2,6-1 | |
| Australian Open - Frauen | 01/19 03:20 | 25 | [74] Elina Avanesyan v Marta Kostyuk [37] | 6-2,4-6,4-6 | |
| Australian Open - Frauen | 01/17 09:55 | 24 | [37] Marta Kostyuk v Elise Mertens [28] | 5-7,6-1,7-6 | |
| Australian Open - Frauen | 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 | |
| WTA - Adelaide | 01/06 02:30 | 14 | Marta Kostyuk v Laura Siegemund | Cancelled | |
| WTA - Brisbane | 01/03 04:10 | 25 | [38] Marta Kostyuk v Daria Kasatkina [18] | 3-6,4-6 | |
| WTA - Brisbane | 12/31 04:55 | 24 | [69] Ana Bogdan v Marta Kostyuk [39] | 6-4,3-6,3-6 | |
| WTA - Peking | 10/04 06:05 | 26 | [22] Liudmila Samsonova v Marta Kostyuk [44] | 6-4,6-7,7-5 |
Wikipedia - Marta Kostjuk
Marta Olehiwna Kostjuk (ukrainisch Марта Олегівна Костюк; engl. Transkription Marta Kostyuk; * 28. Juni 2002 in Kiew) ist eine ukrainische Tennisspielerin.