Marta Kostyuk took advantage of Coco Gauff’s uneven performance Tuesday in Doha to capture her biggest hard-court win to date.

Coco Gauff suffered a surprise early exit from the Qatar Open on Tuesday with a straight-sets defeat by Ukraine's Marta Kostyuk ... last year's French Open and Wimbledon runner-up, also made ...

In the Round of 32 at the WTA Doha, Qatar on Tuesday, Coco Gauff (ranked No. 3) faces Marta Kostyuk (No. 22).Her last time ...