Kei Nishikori of Japan returns a shot against Novak Djokovic of Serbia during their men’s singles semi-final  at the 2014 US Open at the USTA Billie Jean King National Tennis Center,  New York City. Photograph: Mike Stobe/Getty Images

There is no obvious tennis reason for Michael Chang to be advising Kei Nishikori, apart from their sharing winged feet, but helping him to the US Open(...)

Victoria Beckham and Samuel L Jackson: Wimbledon buddies. Photograph:  Matthew Stockman/Getty Images

Just when you reckoned there was no sporting life outside the World Cup, along comes Serbia v Switzerland at Wimbledon where, apparently, a tennis tou(...)

Nick Kyrgios of Australia reacts to winning the third set tie-break on the way to beating No 2 seed Rafa Nadal in their fourth-round game at Wimbledon. Photograph:  Max Rossi/Reuters

Australian teenage sensation Nick Kyrgios dumped two-time champion and second seed Rafael Nadal out of Wimbledon to reach his first Grand Slam quarter(...)

 Roger Federer: has looked like his old self recently and now has a healthier back. Photograph: EPA/Daniel Murphy

Roger Federer leaves the BNP Paribas Open having reclaimed his champion’s aura, even after finishing as runner-up. After winni(...)

Stanislas Wawrinka (Switzerland, left) shakes hands with Tomas Berdych of the Czech Republic after winning their semi-final at the Australian Open tennis championship in Melbourne.

Stanislas Wawrinka reached his first Grand Slam final with victory over Tomas Berdych at the Australian Open. The 28-year-old knocked out three-time (...)

Roger Federer  celebrates after defeating Andy Murray  during their quarterfinal at the Australian Open tennis championship in Melbourne.

Andy Murray rallied briefly in the third set but could not provent Roger Federer from claiming victory in their Australian Open quarter-final today.F(...)

Andy Murray with coach Ivan Lendl in Melbourne for the Australian Open. Photograph: Quinn Rooney/Getty Images

There are plenty quirks in the education game but among the most risible must be teachers taking credit for bright pupils. Teaching the gifted is a pi(...)