| WTA - Dubai | 02/14 07:00 | 19 | [126] Harriet Dart v Marta Kostyuk [49] | 1-6,1-6 | |
| WTA - Dubai | 02/13 06:30 | 19 | [105] Diane Parry v Marta Kostyuk [51] | 2-6,2-6 | |
| WTA - Dubai | 02/12 09:40 | 14 | [209] Ellen Perez v Marta Kostyuk [51] | 4-6,6-3,2-6 | |
| Australian Open - Frauen | 01/21 01:50 | 25 | [66] Marta Kostyuk v Paula Badosa [6] | 2-6,7-5,4-6 | |
| Australian Open - Frauen | 01/19 00:00 | 24 | [35] Sara Sorribes Tormo v Marta Kostyuk [66] | 6-7,3-6 | |
| Australian Open - Frauen | 01/17 02:50 | 23 | [114] Diane Parry v Marta Kostyuk [66] | 1-6,6-7 | |
| WTA - Adelaide 2 | 01/12 06:35 | 26 | [50] Marta Kostyuk v Cori Gauff [19] | 3-6,7-5,3-6 | |
| WTA - Adelaide 2 | 01/09 23:30 | 25 | [50] Marta Kostyuk v Shelby Rogers [36] | 6-3,6-4 | |
| WTA - Melbourne 2 | 01/05 03:45 | 25 | [94] Claire Liu v Marta Kostyuk [50] | 4-6,6-4,6-3 | |
| WTA - Cluj-Napoca | 10/30 14:00 | 28 | [18] Simona Halep v Marta Kostyuk [55] | 6-0,6-1 | |
| WTA - Cluj-Napoca | 10/29 16:25 | 27 | [23] Emma Raducanu v Marta Kostyuk [55] | 2-6,1-6 | |
| WTA - Cluj-Napoca | 10/28 09:00 | 26 | [202] Mona Barthel v Marta Kostyuk [55] | 4-6,4-6 | |
| WTA - Cluj-Napoca | 10/26 09:00 | 25 | [94] Bernarda Pera v Marta Kostyuk [55] | 3-6,4-6 | |
| WTA - Teneriffa | 10/18 09:30 | 25 | [53] Marta Kostyuk v Irina-Camelia Begu [56] | 4-6,4-6 | |
| WTA - Indian Wells | 10/08 19:30 | 24 | [58] Marta Kostyuk v Simona Halep [17] | 6-7,1-6 | |
| WTA - Indian Wells | 10/06 22:50 | 23 | [58] Marta Kostyuk v Shuai Zhang [48] | 6-3,1-6,6-2 | |
| WTA - Chicago | 09/27 19:20 | 24 | [140] Kateryna Kozlova v Marta Kostyuk [57] | 6-7,6-3,6-0 | |
| US Open - Damen | 08/31 15:00 | 23 | [55] Marta Kostyuk v Maria Sakkari [18] | 4-6,3-6 | |
| WTA - Chicago | 08/26 22:30 | 27 | [56] Marta Kostyuk v Varvara Gracheva [88] | 7-6,3-6,4-6 | |
| WTA - Chicago | 08/24 16:00 | 26 | [56] Marta Kostyuk v Kaia Kanepi [70] | 6-2,6-3 | |
| WTA - Chicago | 08/22 19:00 | 25 | [56] Marta Kostyuk v Katherine Sebov [310] | 6-0,6-3 | |
| Wimbledon - Damen | 07/01 11:15 | 24 | [70] Marta Kostyuk v Anastasija Sevastova [56] | 6-1,4-6,3-6 | |
| Wimbledon - Damen | 06/29 12:30 | 23 | [21] Kiki Bertens v Marta Kostyuk [70] | 3-6,4-6 | |
| WTA - Eastbourne | 06/22 12:30 | 25 | [61] Anastasija Sevastova v Marta Kostyuk [67] | 6-1,6-7,6-4 | |
| WTA - Eastbourne | 06/20 10:00 | 19 | [36] Shuai Zhang v Marta Kostyuk [65] | 6-4,4-6,0-6 | |
| WTA - Eastbourne | 06/19 12:50 | 14 | [225] Samantha Murray Sharan v Marta Kostyuk [65] | 5-7,3-6 | |
| WTA - Birmingham | 06/17 16:55 | 26 | [35] Daria Kasatkina v Marta Kostyuk [65] | 6-2,7-5 | |
| WTA - Birmingham | 06/15 13:45 | 25 | [80] Madison Brengle v Marta Kostyuk [65] | 6-4,5-7,3-6 | |
| French Open - Damen | 06/07 19:00 | 26 | [81] Marta Kostyuk v Iga Swiatek [9] | 3-6,4-6 | |
| French Open - Damen | 06/05 12:20 | 25 | [81] Marta Kostyuk v Varvara Gracheva [88] | 6-1,6-2 |
Wikipedia - Marta Kostjuk
Marta Olehiwna Kostjuk (ukrainisch Марта Олегівна Костюк; engl. Transkription Marta Kostyuk; * 28. Juni 2002 in Kiew) ist eine ukrainische Tennisspielerin.