US Open PHOTOS: Halep, Wawrinka beat the heat while Sock wilts

IMAGE: Simona Halep in action. Photograph: Robert Deutsch-USA TODAY Sports/Reuters Simona Halep and Stan Wawrinka beat the heat with straight-sets wins to reach the third round of a sweltering US......

Fourth seed Wozniacki falls to 149th-ranked Cetkovska at US Open

IMAGE: Caroline Wozniacki returns a shot. Photograph: Clive Brunskill/Getty Images Caroline Wozniacki became the highest seed to fall in the upset-filled women's draw at the US Open when Czech......

US Open PHOTOS: Ivanovic stunned by Czech; Serena, Djokovic sail through

Image: Ana Ivanovic of Serbia returns a shot to Karolina Pliskova of the Czech Republic during their US Open women's singles second round match at the USTA Billie Jean King National Tennis Center......

PHOTOS: Injured Wozniacki tumbles out of Wimbledon

Caroline Wozniacki was the latest player left spread-eagled on the slippery All England Club turf as she limped out of Wimbledon following a 6-2, 6-2 second-round defeat by Czech Petra Cetkovska on......

Azarenka suffers injury blow, Federer advances

World No. 1 Victoria Azarenka suffered a blow to her French Open preparations when she was forced to pull out of the Italian Open with a right shoulder injury on Wednesday, but an aching Roger......