Coco Gauff suffered a surprise early exit from the Qatar Open on Tuesday with a straight-sets defeat by Ukraine's Marta ...

World number three Coco Gauff lost in 73 minutes to Marta Kostyuk in the second round of the Qatar Open. The Ukrainian, the ...

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 ...

The first Masters 1000 tournament of the WTA season started yesterday, and there has already been a shocking upset in Doha ...

Ekaterina Alexandrova equalled her career-best winning streak and reached her third WTA 1000 semifinal with a three-set ...

Marta Kostyuk upset Coco Gauff in the second round of the Qatar Open, beating the former US Open champion in straight sets.

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

At the 90-year-old Zavallivsky Graphite Mine in central Ukraine, CEO Ostap Kostyuk dreams of making graphite pure enough to ...

American Amanda Anisimova outlasted Ukrainian Marta Kostyuk in a very physical, high-quality three-set quarterfinal at the ...

Ekaterina Alexandrova of Russia on Tuesday survived a late onslaught to beat top seed and world No 1 Aryna Sabalenka of ...

The victory set up Kostyuk a third-round meeting against Magda Linette who overcame Magdalena Frech with a 7-5, 5-7, 6-4 in ...