Japanese top seed Kei Nishikori lost a sixth successive final on Sunday when he was defeated by Ukraine's Alexandr Dolgopolov 7-6 (7/4), 6-4 in the Buenos Aires clay-court title match.

Top seed Kei Nishikori survived a tough slog against unheralded opponent Carlos Berlocq before winning his semi-final match at the Argentina Open on Saturday.

US Open finalist Karolina Pliskova said it was her "dream" to win a Grand Slam after she enhanced her growing reputation by winning the Qatar Open on Saturday.

Pat Rafter steps down as Tennis Australia's head of performance, ending his rocky relationship with the country's two polarising stars Nick Kyrgios and Bernard Tomic.

Andy Murray warned Roger Federer to avoid sampling the questionable delights of a "horrific" deep-fried Mars bar after the tennis great accepted an invitation to play in Scotland for the first time.

Umpire Arnaud Gabas feels fortunate to have escaped a more serious injury after being hit in the eye by a tennis ball struck by Denis

Canada's Eugenie Bouchard, ranked 45th in the WTA rankings after a third-round run at the Australian Open, has a date with a

Novak Djokovic and Nick Kyrgios hope the Davis Cup heals the wounds of their painful Australian Open exits this weekend when they will be the only two men in the top 15 taking part.

Maria Sharapova said Wednesday she refused to feel sorry for herself during her doping ban, occupying her time by studying at Harvard, writing a book and even learning how to box.

Nick Kyrgios struggled to deal with the furore over his shock second round meltdown at the Australian Open but said the return to a team environment with Davis Cup had helped him through it.

Roger Federer dropped hints that his great career may be drawing to a close after his age-defying win over his Grand Slam nemesis

Roger Federer dropped hints that his great career may be drawing to a close after his age-defying win over his Grand Slam nemesis Rafael Nadal at the Australian Open.

Roger Federer came out on top after a rollercoaster ride in the 35th chapter of his rivalry with Rafa Nadal to win his fifth Australian Open 6-4 3-6 6-1 3-6 6-3 and clinch a first Grand Slam title in four and a half years on Sunday.

Rafa Nadal's hopes of a 15th grand slam title were crushed by an inspired Roger Federer in the Australian Open final but the rejuvenated Spaniard is already rubbing his hands together at the prospect of a "special" season on clay

Roger Federer wins a thrilling, five-set Australian Open final against his great rival Rafael Nadal to clinch a record-extending 18th Grand Slam.

Roger Federer wins a thrilling, five-set Australian Open final against his great rival Rafael Nadal to clinch a record-extending 18th Grand Slam.

American Abigail Spears and Colombian partner Juan Sebastian Cabal swept to a first Grand Slam mixed doubles title Sunday with a straight-sets victory at the Australian Open.

Serena Williams clinched a record 23rd grand slam title at the Australian Open on Saturday but spent most of the immediate aftermath talking about her older sister Venus.

Roger Federer and Rafael Nadal make their unexpected return as Grand Slam finalists on Sunday in a classic Australian Open decider

Serena Williams now has an Open-era record of 23 Grand Slam titles. She has won the Australian Open 7 times, another Open-era record, the French Open 3 times, Wimbledon 7 times and the US Open 6 times.