Gauff leads US past Greece into United Cup semis

The 18-nation event in Perth and Sydney serves as a warm-up for this month's Australian Open -- the season's first Grand Slam. IMAGE: Coco Gauff had lost in three sets to world number 42 Jessica......

Muchova's motivation shines as she upsets Sakkari at French Open

Muchova says Grand Slam hunger behind another Sakkari upset in Paris IMAGE: Czech Republic’s Karolina Muchova plays a forehand against Maria Sakkari of Greece. Photograph: Clive Mason/Getty......

Wimbledon PIX: Krejcikova, Swiatek through to Round 3

IMAGE: Czech Republic's Barbora Krejcikova in action during her second round match against Caroline Dolehide of the US at the Wimbledon on Thursday. Photograph: Toby Melville/Reuters It was far......

Osaka oclassed! Raducanu powers into DC quarters

IMAGE: Emma Raducanu reaches for a forehand against Naomi Osaka (not pictured) in a women's singles match. Photograph: Geoff Burke-Imagn Images/Reuters Emma Raducanu beat four-time Grand Slam......

PIX: Serena stunned by World No 21 Sakkari

IMAGE: Serena Williams leaves the court after losing her match against Maria Sakkari at the Western & Southern Open at the USTA Billie Jean King National Tennis Center in New York, on Tuesday.......