| French Open - Damen | 06/03 09:00 | 24 | [81] Marta Kostyuk v Saisai Zheng [57] | 6-3,6-4 | |
| French Open - Damen | 05/31 17:10 | 23 | [13] Garbine Muguruza v Marta Kostyuk [81] | 1-6,4-6 | |
| WTA - Rom | 05/10 10:15 | 24 | [79] Marta Kostyuk v Ekaterina Alexandrova [33] | 3-6,1-6 | |
| WTA - Rom | 05/09 09:00 | 19 | [82] Nao Hibino v Marta Kostyuk [77] | 5-7,3-6 | |
| WTA - Rom | 05/08 09:45 | 14 | Nuria Brancaccio v Marta Kostyuk | 4-6,0-6 | |
| WTA - Madrid | 04/28 13:20 | 15 | [54] Anastasija Sevastova v Marta Kostyuk [77] | 6-1,7-5 | |
| WTA - Madrid | 04/27 11:00 | 14 | [98] Margarita Gasparyan v Marta Kostyuk [77] | 4-6,1-6 | |
| WTA - Istanbul | 04/24 14:00 | 28 | [85] Marta Kostyuk v Sorana Cirstea [67] | 4-6,4-6 | |
| WTA - Istanbul | 04/23 10:00 | 27 | [241] Ana Konjuh v Marta Kostyuk [85] | 5-7,6-4,3-6 | |
| WTA - Istanbul | 04/21 10:00 | 26 | [85] Marta Kostyuk v Daria Kasatkina [37] | 6-3,7-5 | |
| WTA - Istanbul | 04/20 08:00 | 25 | [143] Kamilla Rakhimova v Marta Kostyuk [85] | 4-6,3-6 | |
| Billie Jean King Cup | 04/17 10:30 | 7 | Marta Kostyuk v Chihiro Muramatsu | Cancelled | |
| Billie Jean King Cup | 04/16 09:45 | 7 | [84] Marta Kostyuk v Yuki Naito [172] | 6-3,6-3 | |
| WTA - Miami | 03/24 22:15 | 23 | [131] Tsvetana Pironkova v Marta Kostyuk [85] | 7-6,3-6,6-3 | |
| Australian Open - Frauen | 02/08 04:15 | 23 | [36] Veronika Kudermetova v Marta Kostyuk [78] | 6-2,7-6 | |
| WTA - Grampians Trophy | 02/05 02:05 | 26 | [24] Jennifer Brady v Marta Kostyuk [78] | 6-1,6-4 | |
| WTA - Grampians Trophy | 02/02 23:30 | 25 | [493] Gabriela Dabrowski v Marta Kostyuk [78] | 0-6,3-6 | |
| WTA - Abu Dhabi | 01/12 09:15 | 28 | [99] Marta Kostyuk v Veronika Kudermetova [46] | 6-7,4-6 | |
| WTA - Abu Dhabi | 01/11 10:05 | 27 | [99] Marta Kostyuk v Sara Sorribes Tormo [66] | 0-6,6-1,6-4 | |
| WTA - Abu Dhabi | 01/10 06:00 | 26 | [99] Marta Kostyuk v Tamara Zidansek [87] | 6-1,6-1 | |
| WTA - Abu Dhabi | 01/09 06:00 | 25 | [67] Su-Wei Hsieh v Marta Kostyuk [99] | 3-6,7-6,3-6 | |
| WTA - Abu Dhabi | 01/07 08:35 | 24 | [99] Marta Kostyuk v Lucie Hradecka [495] | 6-2,6-4 | |
| ITF Frauen - W25 - Selva Gardena | 12/17 10:00 | 27 | [99] Marta Kostyuk v Lea Boskovic [304] | 1-6,1-6 | |
| ITF Frauen - W25 - Selva Gardena | 12/16 12:00 | 26 | Marta Kostyuk v Laura Mair | 6-1,6-0 | |
| ITF Frauen - W25 - Selva Gardena | 12/14 12:30 | 25 | [99] Marta Kostyuk v Nuria Parrizas-Diaz [233] | 6-2,3-6,6-1 | |
| WTA - Linz | 11/10 16:00 | 25 | [173] Vera Zvonareva v Marta Kostyuk [98] | 6-4,6-2 | |
| ITF Frauen - W80 - Tyler | 11/01 18:45 | 29 | [112] Ann Li v Marta Kostyuk [104] | 7-5,1-6,6-3 | |
| ITF Frauen - W80 - Tyler | 10/31 17:00 | 28 | Catherine Bellis v Marta Kostyuk | Walkover | |
| ITF Frauen - W80 - Tyler | 10/31 00:20 | 27 | [104] Marta Kostyuk v Sara Errani [131] | 6-2,6-1 | |
| ITF Frauen - W80 - Tyler | 10/30 19:25 | 26 | [104] Marta Kostyuk v Veronica Cepede Royg [173] | 6-2,7-5 |
Wikipedia - Marta Kostjuk
Marta Olehiwna Kostjuk (ukrainisch Марта Олегівна Костюк; engl. Transkription Marta Kostyuk; * 28. Juni 2002 in Kiew) ist eine ukrainische Tennisspielerin.