Only two wins separate Nadal and a men's record 21st Grand Slam title.
Federer will face a "reality check" when he returns to the Tour after a lengthy injury break, seven-time major champion Mats Wilander said.
Rafael Nadal on Monday expressed his frustration that tennis players remain unable to practise due to the coronavirus pandemic, while Roger Federer revealed he was happy with his recovery from knee surgery.
Defending champion Roger Federer was stunned by fiery Greek Stefanos Tsitsipas who ended his bid for a record seventh Australian Open Sunday on a day of upsets that also saw second seed Angelique Kerber crash out.
World number one Novak Djokovic will start his bid to win a record seventh Australian Open title next week against a qualifier following Thursday's draw.
Roger Federer became the most successful player in Hopman Cup history when he led Switzerland to a 2-1 win in an enthralling final of the mixed teams tournament in Perth Saturday.
Defending champions Switzerland sealed a 2-1 victory over six-times winners United States that left them bottom of Group B.
Roger Federer is aiming to complete a century of titles at the ATP Finals but will likely have to find a way past the irrepressible Novak Djokovic, who is looking to round off his astonishing season in style.
Top seed Rafa Nadal was rattled by a feisty challenge from Diego Schwartzman but held firm to fend off the diminutive Argentine.
Rafa Nadal voiced his support for players to demand a greater share of tennis revenues.
Six times a men's singles champion Down Under, the Serbian will be joined in making a return at Melbourne Park by 2008 women's champion Maria Sharapova
The six-times champion, who last played competitively at Wimbledon in July, says he is still managing the injury.
Federer will saddle up for a 19th time in the main draw at Melbourne Park, looking to frustrate 'Generation Next' once again and defend the title he won last year
Written off as dead men walking, Roger Federer and Rafael Nadal defied time to sweep the Grand Slams in 2017 while the injury curse which dogged their rival.
Swiss tennis star Roger Federer won Overseas Sports Personality of the Year for the fourth time in his career after a public vote.
With a sold-out stadium, compelling matches and a doubles pairing of the world's top two players.
Roger Federer finally forced to work hard for a win at the Swiss Indoors tournament as he fought back to beat Adrian Mannarino in his quarter-final on Friday.
World number one Rafa Nadal has withdrawn from the upcoming Basel indoors tournament due to a knee issue, the Spaniard has said.
oger Federer won the inaugural Laver Cup for Team Europe on Sunday.
World number one Rafa Nadal dismissed Dusan Lajovic 7-6 (6) 6-2 6-2 to ease into the U.S. Open second round on Tuesday.