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

Coco Gauff of the United States competes in her round of 32 match against Marta Kostyuk of Ukraine during the WTA Qatar ...

Serena Williams ' ex-coach, Rick Macci, made an optimistic prediction about Coco Gauff. According to Macci, the young American has massive potential, however, there's still a need to stay confident ...

Coco Gauff suffered a surprise early exit from the Qatar Open on Tuesday with a straight-sets defeat by Ukraine's Marta Kostyuk, while Elena Rybakina eased into the last 16. Former US Open ...

In a match scheduled for Tuesday, Marta Kostyuk (No. 21 in rankings) will meet Sofia Kenin (No. 56) in the Round of 32 at the ...

Marta Kostyuk of Ukraine in action against Paula Badosa of Spain (not seen) during their Round 3 match at the Australian Open grand slam tennis tournament at Melbourne Park in Melbourne ...