Rafael Nadal claimed a dominant straight-sets win over world number three Milos Raonic to advance to the semifinals at the Australian Open on Wednesday.

Rafael Nadal claimed a dominant straight-sets win over world number three Milos Raonic to advance to the semifinals at the Australian Open on Wednesday.

Former champion Stan Wawrinka engaged in a war of words with Jo-Wilfried Tsonga but won the argument that counted to storm into the Australian Open semi-finals with a 7-6(2) 6-4 6-3 win over the Frenchman on Tuesday.

Venus Williams continued her astonishing late-career revival by felling Anastasia Pavlyuchenkova 6-4 7-6(3) on Tuesday to reach her first Australian Open semi-final in 14 years and become the oldest woman to reach the last four at Melbourne Park in the professional era.

Rafael Nadal's ageing legs outlasted German teenager Alexander Zverev in an epic five sets as Serena Williams sailed into the last 16 at the Australian Open on Saturday.

Andy Murray is yet to reach his maximum potential and should only get better but the world number one has not seen the back of Novak Djokovic, according to eight-times grand slam champion Andre Agassi.

Serena Williams gave compatriot Nicole Gibbs a lesson in grand slam tennis with a 6-1 6-3 towelling to reach the fourth round of the Australian Open on Saturday.

With Novak Djokovic's reign broken, Andy Murray boosted his claim to the Melbourne Park throne with a comprehensive 6-4 6-2 6-4 win over American Sam Querrey to reach the fourth round of the Australian Open on Friday.

Uzbek Denis Istomin pulled off an Australian Open upset for the ages when he sent reigning champion Novak Djokovic tumbling out of the year's first grand slam in a near five-hour epic on Thursday.

Third seed Milos Raonic continued his machine-like advance through the Australian Open on Thursday, easing past Gilles Muller 6-3 6-4 7-6(4) to reach the third round.

Rafael Nadal powered into the second round of the Australian Open with a commanding straight-sets win over Germany's Florian Mayer on Tuesday.

Serena Williams exploded any doubts about her form on Tuesday as she swept into the Australian Open second round on her return to Grand Slam action.

Venus Williams survived a rocky start to reach the second round of her 17th Australian Open on Monday, putting her 7-6 7-5 victory over Kateryna Kozlova down to hard-earned experience.

World number one Andy Murray could face challenges from Kei Nishikori and Stan Wawrinka if he is to reach a sixth Australian Open final following Friday's draw.

Next month's Australian Open will offer Aus$50 million (US$36.25 million) in prize money, with the men's and women's singles champions both netting a cool $3.7 million, organisers said on Wednesday.

Maria Sharapova is suspended for two years by the International Tennis Federation for testing positive for meldonium at the Australian Open.

Nike suspends its relationship with Maria Sharapova after the five-time Grand Slam tennis champion admitted failing a drug test.

Former world number one Maria Sharapova has revealed she failed a drugs test at the Australian Open.

Tennis star Andy Murray's wife Kim Sears gives birth to a girl, who is thought to have arrived on Sunday night.

World number one Novak Djokovic beat Andy Murray in straight sets to win his sixth Australian Open title and condemn the Briton to a fifth final defeat.