Roger Federer has called for more drug testing in rugby. Photograph: Tony O’Brien/Reuters

Roger Federer believes tennis players should undergo more anti-doping tests to ensure the sport does not suffer the problems that have plunged athlet(...)

Rafa Nadal trains with coach Toni Nadal during the Aegon Tennis Championships at the Queens Club in London, Britain, 15th June 2015. Photograph: EPA/Andy Rain

Toni Nadal, the coach and uncle of Rafael Nadal, believes it is impossible for a coach not to encourage and communicate generally with a player durin(...)

James McGee during qualifying for the 2014 Australian Open at Melbourne Park in January thisyear. He will play the 108-ranked Alexander Nedovyesov at Flushing Meadows in New York today. (Photograph:  Robert Prezioso/Getty Images)

Win or lose in his appearance at the US Open today, Irish tennis player James McGee is set to jump up the world rankings.McGee, who qualified for the (...)

Dubliner: Dave Miley, head of development at the International Tennis Federation. photograph: rod leon

On a sunny day just before Wimbledon begins, young workers with chamois leathers and spray bottles walk slowly along the rows of seats in Court No 2, (...)

 Simona Halep of Romania stretches to play a forehand against Maria Sharapova of Russia in their final match in the Madrid Open. Soon players will get data read outs from sensors in the racquet strings. Photograph: Clive Brunskill/Getty Images

A handful of the world’s best tennis players will show up at tournaments within weeks armed with new technology they hope will give them an advantage (...)

Roger Federer of Switzerland beat  Richard Gasquet of France at the ATP World Tour Finals at the O2 Arena in London. Photograph: Stefan Wermuth/Reuters

Roger Federer has faith in tennis’ anti-doping system but believes there is still not enough testing being done. The issue has been a hot topic at the(...)

Croatia’s Marin Cilic. Photograph: Dominic Lipinski/PA Wire

Marin Cilic has had his nine-month doping suspension reduced to four months on appeal and is free to resume his career.The Croatian was handed the su(...)

 Marin Cilic has been suspended for nine months after testing positive for a banned stimulant, ruling him out until February 1st, 2014.

Marin Cilic has been suspended for nine months after testing positive for a banned stimulant, ruling him out until February 1, 2014, the International(...)

Marion Bartoli of France  with the Venus Rosewater Dish trophy and Andy Murray of Great Britain  with the Gentlemen’s Singles trophy for their Wimbledon successes. Bartoli earned €1.86 million in prize money for winning the tournament.  Photograph: Julian Finney/Getty Images

So Marion Bartoli endures laddish stick from John Inverdale, puts a trembling Sabine Lisicki to the sword and walks away €183,350 richer for a fortnig(...)

 Bernard Tomic of Australia plays a forehand during his  first round match against Sam Querry of the United States. Photograph: Getty

Early days in SW19 and compared to Monday’s raucous farewell to Rafa Nadal, Novak Djokovic restored some top table order. The number one seed entertai(...)