Japan's Nishikori pulls out of Wimbledon with calf strain

Kei Nishikori of Japan in action. Photograph: Shaun Botterill/Getty Images Japanese fifth seed Kei Nishikori pulled out of Wimbledon before his second round match on Wednesday after failing to......

Serena and Djokovic up and running at Wimbledon

Defending champion Novak Djokovic of Serbia reacts after winning his Gentlemen’s Singles first round match against Philipp Kohlschreiber of Germany. Photograph: Julian Finney/Getty Images......

Nadal felled by Fognini in Barcelona third round

Fabio Fognini celebrates after defeating Rafael Nadal of Spain during day four of the Barcelona Open Bac Sabadell at the Real Club de Tenis Barcelona. Photograph: David Ramos/Getty Images Rafa......

Miami Open: Azarenka crushes Jankovic; Nadal, Murray advance

Victoria Azarenka of Belarus returns the ball. Photograph: Al Bello/Getty Images Two time Miami Open winner Victoria Azarenka crushed Serbia's Jelena Jankovic 6-1, 6-1 in the second round at Key......

Madrid Open PHOTOS: Murray bows out, rusty Nadal through

Andy Murray was overwhelmed 6-3, 6-2 by Santiago Giraldo and champion Rafael Nadal showed signs of rustiness before reaching the Madrid Open quarter-finals with a 6-1, 6-4 win over Jarkko Nieminen......