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

Serena Williams' ex-coach Rick Macci offered important advice to Coco Gauff and expressed confidence in the young American ...

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 ...