Marta Kostiuk made her WTA Finals debut with a loss. In the first game, the Ukrainian lost to the Czech Linda Noskova - 2:6, 4:6.
Kostyuk lost to Noskova for the third time in a row. The Ukrainian lost to the Czech Republic in the semifinals of Wimbledon 2026.
Kostiuk will play in the next two matches against the Americans Jessica Pegula and Coco Goff. To enter the semi-finals, the Ukrainian must finish in the first 2 groups.