Novak Djokovic dished up 100 unforced errors in a five-set struggle with Gilles Simon on Sunday as Roger Federer roared into the Australian Open quarter-finals with ruthless efficiency.

World number one and defending champion Serena Williams will face Maria Sharapova in the Australian Open quarter-final.

A mid-match medical emergency involving Ana Ivanovic's coach -- who is also the father of Andy Murray's heavily pregnant wife -- caused concern and disruption on a dramatic evening at the Australian Open on Saturday.

Novak Djokovic underlined his supremacy in men's tennis on Friday as he marched unstoppably into the Australian Open fourth round -- along with Serena Williams, who raced through in just 44 minutes.

Former French Open champion Ana Ivanovic was shaken up when a spectator was injured falling down the stairs on Rod Laver Arena but recovered her composure to ease into the third round at the Australian Open on Thursday.

Novak Djokovic has denied an Italian media report he deliberately lost a match in 2007 that has been linked to a wider scandal involving alleged corruption in tennis.

Former world number one Lleyton Hewitt slammed match-fixing allegations as an "absolute farce" on Thursday as his emotional retirement at the Australian Open was tainted by the corruption claims which have rocked tennis. Hewitt, after going down fighting to David Ferrer at his farewell tournament, rounded on an anonymous online blog linking his name to the explosive report which has overshadowed the year's first Grand Slam.

Britain's Johanna Konta said she wasn't tempted by a move back to Australia after shocking Venus Williams to reach the second round. Konta, who was born in

Defending champions Novak Djokovic and Serena Williams stormed into the Australian Open third round on Wednesday as tennis authorities came under fire over their efforts to fight match-fixing.

Rafael Nadal and Simona Halep were sent crashing out of the Australian Open first round on Tuesday as a dramatic day of upsets shifted the landscape of the year's first Grand Slam.

Rafa Nadal was heading back to the drawing board on Tuesday after another startling early loss at a Grand Slam deflated his early-season optimism and left him questioning his strategy.

Novak Djokovic said he needed to have more children after the birth of his baby son was followed by his best season yet. Djokovic reached all four Grand Slam finals, winning three, last season following the birth of his son, Stefan, in October 2014. "Darling, I guess we've got to make more babies," he said, presumably referring to his wife, after his first-round win over Chung Hyeon on Monday. "I'm probably going to get criticised for what I said now," the Serb added sheepishly. However, the world number one already has media on his side after he handed out chocolates at his press conference on Sunday.

World number one Novak Djokovic said a member of his staff was approached about fixing a match early in his career, and he questioned whether betting companies should be allowed to sponsor big tennis tournaments.

Defending champions Novak Djokovic and Serena Williams raced into the Australian Open second round Monday as the year's first Grand Slam was rocked by claims of widespread match-fixing in tennis.

Novak Djokovic will look to extend his sensational run of form at the Australian Open on Monday as expectations soar about what he could achieve this year.

Amol Roy and Afrana Islam Preety grabbed the singles titles of the Victory Day Tennis Competition, which concluded at the Ramna National Tennis Complex in Dhaka yesterday.

Amol Roy and Anowar Hossain set up a final showdown in the men's singles of the Victory Day Tennis Competition,

Novak Djokovic won his first title of 2016 on Saturday, playing "perfect" tennis to thrash arch-rival Rafael Nadal in straight sets during the Qatar Open final.

Real Madrid fan Rafael Nadal on Tuesday backed the controversial appointment of Zinedine Zidane as the Spanish side's new coach, saying it would be good for

World No. 2 Andy Murray defeated coach Amelie Mauresmo, not on the tennis court -- but in a game of air hockey. The Frenchwoman is back in Murray's camp