While she would have been hoping to bow out in a blaze of glory, Wozniacki insisted she was proud of her career and had no regrets about the way it had panned out.

MIKE DICKSON IN MELBOURNE: Coco Gauff scored a sensational win over defending champion Osaka at the Australian Open on a day that felt like there was an abrupt changing of the guard.

The altercation occurred just before 7pm on Saturday at Melbourne Arena ahead of Kyrgios's third round against Russian Karen Khachanov.

MIKE DICKSON IN MELBOURNE: Long before he set up what should be a pulsating fourth-round against Rafael Nadal, Nick Kyrgios had already commenced hostilities.

The Australian tennis bad boy is through to the fourth round after winning a five-set thriller against 16th seed Russian Karen Khachanov.

The bitter rivalry between the two tennis heavyweights began last February at the Mexico Open with a petty on-court dispute and escalated from there, with more fireworks at Wimbeldon.

Actress Pia Miller and her multimillionaire boyfriend Patrick Whitesell packed on the PDA while attending the Australian Open on Sunday. 

Regardless of what happens in his fourth-round match against Rafael Nadal, there is a lot Nick Kyrgios can take away from this month that will serve him well for the rest of the season.

The Australian gave it his all in a spirited performance but went down 6-3 3-6 7-6 7-6 in four sets against the Spaniard in an emotion-charged showdown.

The Australian world 23 made his grand entrance to Rod Laver Arena wearing an LA  Lakers jersey after Bryant tragically lost his life in a helicopter crash on Sunday.

The polarising Australian tennis bad boy earned the respect of fans and his arch rival after bowing out of the grand slam in a pulsating fourth setter on Melbourne's Rod Laver Arena.

MIKE DICKSON IN MELBOURNE: Nick Kyrgios attempted to honour the memory of one of his basketball heroes, Kobe Bryant. In the end, the emotional Australian fell short against Nadal.

In an extremely close match at Melbourne Park on Monday night, Nadal snatched victory in the final set tiebreaker despite Kyrgios being in form and serving 25 aces.

The former world number one said he's been supporting Kyrgios from the sidelines since he was an up-and-coming teenager.

Spanish tennis star Rafael Nadal, 33, was stopped by security at the Australian Open in Melbourne Park on Wednesday for not having proper identification.

She has kept a relatively low profile after retiring from her incredible sprinting career.

The tennis badboy was knocked out of the Grand Slam on Monday after falling to Rafael Nadal 6-3, 3-6, 7-6, 7-6 in the fourth-round.

She's graced Australia's small screens for over 25 years.  

They're two of Australia's funniest ladies, and on Thursday, Rebel Wilson and Magda Szubanski teamed up for the AO Inspirational Series Lunch at the Australian Open in Melbourne.

The 23-year-old lost her semi-final match in 40C heat to American Sofia Kenin on Thursday, going down in straight sets.

Novak Djokovic erupted in anger during his Australian Open final win over Dominic Thiem, venting his anger directly at umpire Damien Dumosis after being hit with a second time violation.

The Holiday Guru is always on call to answer your questions. This week's topics also include how to travel to Turkey for the Nomad Games and how to book tickets to the Australian Open tennis.

Wimbledon and US Open doubles champion Robert Farah has escaped a ban despite being found to have breached tennis' anti-doping programme regulations.

Gauff, who reached the fourth round on her Australian Open debut, emulates Bulgarian Sesil Karatantcheva, who made the top 50 at the same age in August 2005.

Tim Howard's popularity in the United States has led to a White House petition being lodged requesting the Ronald Reagan Washington National Airport is renamed after him.

With the wonderful Brazilian World Cup coming to its climax this weekend, Sportsmail's nostalgic picture series Golden Years remembers all 19 finals played so far in tournament history.

Jose Mourinho believes Lionel Messi is not the greatest player of all time, and not even a man-of-the-match performance in the World Cup final will change that.

Neymar has admitted he will be supporting Brazil’s bitter rivals Argentina in Sunday’s World Cup final. The injured superstar gave a press conference two days after his side were thrashed 7-1 by Germany in the last four.

Organisers expect around 100,000 Argentina fans to descend on Rio for the World Cup final on Sunday, most of them without a ticket.

Heine Allemagne, 43, the man man who invented the magic vanishing spray adopted for use in Brazil, us set to reap the financial rewards after years in poverty and facing bankruptcy.

World Cup fanatic Rihanna posted a picture of herself and football legend Pele soon after she landed in Brazil ahead of Sunday evening's final. The Barbados-born singer, who has been tweeting her thoughts on the World Cup throughout the duration of the tournament, met the 72-year-old in Rio de Janeiro.

At first glance it looked so simple. Almost a toe-poke, in fact. And then, around the stadium, those in celebration and despair searched for the replay. There it was, in all its glory. A goal to grace a World Cup final, a goal that was so much more than the sum of its parts.

IAN LADYMAN AT THE MARACANA: Lionel Messi played well enough for 90 minutes, but when the defining chance came early in the second half he couldn’t take it.

GRAHAM POLL: Nicola Rizzoli will be able to look back on this final with pride as he performed well as did both of his assistants in a tough match.

As the Germany players celebrated their World Cup victory, their WAGs could not resist joining the on-field party at the Maracana.

SAM CUNNINGHAM: Blood oozed from the cut beneath his right eye. The wound was so deep that the bright red claret streamed down his protruding right cheek.

Mario Gotze may look like he is not long out of babygrow lederhosen but his status as Germany’s wunderkind has been established for some considerable time.

And then there was one, Germany the winners of Brazil 2014 following their victory over Argentina in the final at the Maracana. But what about the other numbers to emerge from the finals?

Jose Mourinho says Lionel Messi should not be considered the scapegoat after Argentina's World Cup final defeat to Germany.

Fred has retired from international football at the age of 30 after Brazil's disappointing World Cup campaign came to an end. He scored 18 goals in 39 games.

Diego Maradona took a swipe at Lionel Messi the day after his World Cup heartache by insisting the heir to his throne didn't deserve to win the Golden Ball award.

Lionel Messi's crowning as the World Cup's outstanding player shocked some prominent figures, but without his individual brilliance Argentina's goals dried up.

BRIAN BARWICK: This has been a hugely enjoyable World Cup for viewers and one that England’s early exit failed to diminish.

Luiz Felipe Scolari quit as manager of Brazil after the host nation tasted their first back-to-back defeats on home soil since 1940 during a humiliating World Cup.

Gary Neville had barely digested his first breakfast under the new world order when he waded into an online debate with those who thought England should simply try to copy the way Germany produce footballers.

MARTIN SAMUEL AT THE MARACANA: The perfect team versus the perfect superstar that was the narrative here. On one side Die National Mannschaft, on the other Lionel Messi. Yet football has a way of confounding such expectation. Mario Gotze scored a team goal, true, but with a level of technique that would have won Messi the Golden Ball had it come from his foot.

Former Manchester City striker Mario Balotelli has ignored all of the furore caused by him posing with what appeared to be a gun on Instagram by going jet-skiing with his fiancee Fanny Neguesha.

I'm lucky to live at home with my parents so this is why I just need to earn around £100 a week to pay the bills I need to per month. But should I earn more to get in the system for the state pension?

I have multiple pension pots. I am 52 and plan to retire at 55, in summer 2022. I am in receipt of a Royal Air Force pension and along with that I have four other pensions.

I like so many other veterans were contacted by a private financial adviser. We were promised good returns of 5-10 per cent a year and the opportunity to gain access to the funds at 55.