WTA - Austin | 03/04 20:30 | 28 | [38] Danielle Collins v Marta Kostyuk [52] | 4-6,3-6 | |
WTA - Austin | 03/03 17:00 | 27 | [52] Marta Kostyuk v Anna-Lena Friedsam [108] | 7-6,6-2 | |
WTA - Austin | 03/02 20:30 | 26 | [52] Marta Kostyuk v Madison Brengle [95] | 6-3,3-6,6-0 | |
WTA - Austin | 02/28 21:45 | 25 | [52] Marta Kostyuk v Dalma Galfi [83] | 7-5,6-1 | |
WTA - Dubai | 02/21 12:30 | 25 | [9] Belinda Bencic v Marta Kostyuk [55] | 6-7,7-6,6-4 | |
WTA - Dubai | 02/19 16:30 | 24 | [196] Ipek Oz v Marta Kostyuk [55] | 6-4,4-6,2-6 | |
WTA - Abu Dhabi | 02/08 15:00 | 26 | [57] Marta Kostyuk v Belinda Bencic [9] | 4-6,5-7 | |
WTA - Abu Dhabi | 02/06 12:30 | 25 | [57] Marta Kostyuk v Sorana Cirstea [63] | 6-2,1-6,6-2 | |
WTA - Hua Hin | 02/03 13:00 | 27 | [42] Bianca Andreescu v Marta Kostyuk [60] | 6-0,7-6 | |
WTA - Hua Hin | 02/02 07:00 | 26 | [139] Nao Hibino v Marta Kostyuk [60] | 3-6,6-7 | |
WTA - Hua Hin | 01/31 10:50 | 25 | [364] En Shuo Liang v Marta Kostyuk [60] | 7-6,3-6,0-6 | |
Australian Open - Dames | 01/20 04:00 | 25 | [3] Jessica Pegula v Marta Kostyuk [61] | 6-0,6-2 | |
Australian Open - Dames | 01/18 10:15 | 24 | [199] Olivia Gadecki v Marta Kostyuk [61] | 2-6,1-6 | |
Australian Open - Dames | 01/16 00:00 | 23 | [61] Marta Kostyuk v Amanda Anisimova [27] | 6-3,6-4 | |
WTA - Adelaide 2 | 01/07 05:45 | 14 | [69] Marta Kostyuk v Shelby Rogers [47] | 3-6,3-6 | |
WTA - Adelaide | 01/06 08:00 | 27 | [2] Ons Jabeur v Marta Kostyuk [69] | 7-6,7-5 | |
WTA - Adelaide | 01/04 05:50 | 26 | [69] Marta Kostyuk v Elena Rybakina [21] | 6-7,6-2,6-3 | |
WTA - Adelaide | 01/02 06:30 | 25 | [162] Jaimee Fourlis v Marta Kostyuk [69] | 1-6,6-3,4-6 | |
WTA - Adelaide | 01/01 03:45 | 19 | [52] Mayar Sherif v Marta Kostyuk [69] | 3-6,1-6 | |
WTA - Adelaide | 12/31 05:50 | 45 | [105] Cristina Bucsa v Marta Kostyuk [69] | 6-7,4-6 | |
WTA - Limoges | 12/14 10:20 | 26 | [71] Marta Kostyuk v Clara Tauson [115] | 6-7,4-6 | |
WTA - Limoges | 12/12 15:45 | 25 | [71] Marta Kostyuk v Joanna Garland [258] | 6-2,6-3 | |
Billie Jean King Cup | 11/12 03:55 | 64 | [105] Moyuka Uchijima v Marta Kostyuk [70] | 0-6,3-6 | |
Billie Jean King Cup | 11/11 05:50 | 64 | [180] Misaki Doi v Marta Kostyuk [70] | 6-7,4-6 | |
WTA - Guadalajara | 10/19 00:00 | 25 | [58] Marta Kostyuk v Maria Sakkari [6] | 4-6,4-6 | |
WTA - Guadalajara | 10/17 18:55 | 24 | [58] Marta Kostyuk v Aliaksandra Sasnovich [32] | 6-1,6-3 | |
WTA Cluj-Napoca | 10/10 17:10 | 25 | [78] Jasmine Paolini v Marta Kostyuk [56] | 5-7,6-3,6-4 | |
WTA - Ostrava | 10/01 11:35 | 14 | Marta Kostyuk v Anastasia Zakharova | Cancelled | |
WTA - Tallinn | 09/28 17:20 | 26 | [27] Barbora Krejcikova v Marta Kostyuk [56] | 7-5,6-3 | |
WTA - Tallinn | 09/26 09:20 | 25 | [56] Marta Kostyuk v Bernarda Pera [45] | 6-4,4-6,6-3 |
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.