Novak Djokovic will play Roger Federer in the semi-finals of the Australian Open. Photograph: Epa

Novak Djokovic rediscovered his groove to ease past Japan’s Kei Nishikori and set up an Australian Open semi-final with Roger Federer. Djokovic made(...)

Roger Federer is through to the semi-finals of the Australian Open. Photograph: Epa

Roger Fedrerer sent out a message he is ready to win an 18th grand slam title as the Swiss master breezed past Tomas Berdych in the Australian Open qu(...)

 Spain’s Rafael Nadal in action against compatriot David Ferrer  in the Barclays ATP World Tour Finals in the O2 Arena, London, yesterday. Photograph: Tony O’Brien/Livepic via Reuters

Novak Djokovic and his team will have watched Rafael Nadal’s struggle against David Ferrer here yesterday afternoon with their usual attention to det(...)

Roger Federer was sporting a week-old beard when playing Kei Nishikori at the ATP Tennis Finals in London. Photograph: Suzanne Plunkett/Reuters.

It was hard at times to recognise the Roger Federer who soared, dipped and soared like a wounded eagle against Kei Nishikori for more than two hours h(...)

Novak Djokovic  dances on the court with a fan after defeating Andreas Haider-Maurer of Austria during their US Open 2015 second round men’s singles match  in New York. Photo: Don Emmert/Getty Images

Novak Djokovic took a while to warm up against Austrian Andreas Haider-Maurer but shifted into gear to close out the first set and then raced to a 6-4(...)

 Andy Murray in action against Facundo Arguello of Argentina on day two of the 2015 French Open at Roland Garros. Photograph: Clive Mason/Getty Images

Maria Sharapova got back in the groove at her happiest hunting ground while Andy Murray’s growing love of clay blossomed as both posted easy first-ro(...)

Murray celebrates his victory over Berdych: he lost to Djokovic in the semi-final at Indian Wells last week and admitted he would need to improve significantly to compete if they meet again on Sunday

Andy Murray beat Tomas Berdych in two sets, 6-4 6-4, to reach the Miami Open final. Victory levelled Murray’s head-to-head record against Berdych at 6(...)

Serena Williams poses with the Daphne Akhurst Memorial Cup after winning the  Australian Open in Melbourne. Photograph: Thomas Peter/Reuters

‘It’s inconceivable to think that Maria Sharapova could lose to anybody 16 times in a row, it’s impossible,” the BBC’s John Lloyd told Sue Barker befo(...)

Andy Murray  speaks at a press conference at the 2015 Australian Open. After winning his semi-final match Murray spoke out against those who had criticised his decision to hire Amélie Mauresmo as a coach.   Photograph: Clive Brunskill/Getty Images

“Hopefully, one day people won’t look at gender when they hire a coach,” Martina Navratilova, all-round tennis legend and coach of Poland’s Agnieszka (...)

Andy Murray’s girlfriend, Kim Sears, has attracted controversy after being caught on camera during Murray’s Australian Open semi-final win over Tomas Berdych. (Photo by Patrick Scala/Getty Images)

No one could deny that the Australian Open semi-final against Tomas Berdych was tense but it wasn’t just Andy Murray who was putting his heart into(...)