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

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

Marta Kostyuk has left the draw wide open at the Qatar Open seeing off Coco Gauff 6-2, 7-5 and will face the winner of Magda Linette and Magdalena Frech.

Ekaterina Alexandrova ousted sixth-seed Jessica Pegula to sweep into the semifinals of the WTA Qatar Open on Thursday.

Paula Badosa says she had "nothing to do" with the uncomfortable post-match handshake with Marta Kostyuk at the Australian Open. The Spanish 11th seed won through to the fourth round at Melbourne ...

Coco Gauff had won her three previous meetings against Marta Kostyuk on hardcourts, and the American had taken her last 17 ...

Paula Badosa came up short at the Australian Open, but make no mistake about it, she proved she's more than capable of winning a Grand Slam tournament this season. Badosa, 27, missed an extended ...