When a seed of doubt crept into 'unprofessional' Serena's mind

Serena Williams of the United States deep in thought during a break in play in her match against German Anna-Lena Friedsam on Thursday. Photograph: Clive Brunskill/Getty Images Defeat is never an......

Italian Open: Serena commences clay-court season with thumping win

IMAGE: USA's Serena Williams reacts during her match against Germany's Anna-Lena Friedsam during their 2nd round match at the Italian Open in Rome on Tuesday. Photograph: Dennis Grombkowski/Getty......

Paes and Bopanna likely to clash in Wimbledon pre-quarters

IMAGE: Rohan Bopanna and Leander Paes celebrate winning a Davis Cup match. Photograph: Atsushi Tomura/Getty Images. Leander Paes and Rohan Bopanna, who will represent India at the Rio Olympics as......

French Open PHOTOS: Serena survives scare, Wozniacki exits

Serena Williams serves during her women's singles match against Anna-Lena Friedsam of Germany. Photograph: Clive Brunskill/Getty Images Serena Williams played with fire at the French Open on......

Santina begin title defence in style; Bopanna wins

IMAGE: Sania Mirza and Martina Hingis celebrate their first round victory at Wimbledon. Photograph: Clive Brunskill/Getty Images. Sania Mirza and her Swiss partner Martina Hingis started their......