The triple grand slam winner, who will take over from Serb Novak Djokovic at the top when the rankings are updated on Monday, still went out on centre court for a practice session in front of a bemused crowd.
Summary of sports events and persons who made news on Sunday
The last 10 Slams have all been won by Djokovic, Federer or Nadal. Will this Wimbledon be different, asks Dhruv Munjal.
Frenchman Jo-Wilfried Tsonga recorded a first win over Rafael Nadal in almost four years after producing some scintillating tennis to beat the Spaniard in the semi-finals of the Shanghai Masters on Saturday. He will face Novak Djokovic in the final.
A look at the top tweets from your favourite Bollywood celebrities.
Tottenham Hotspur reached the semi-finals of the Champions League on away goals after a 4-3 (aggregate 4-4) defeat to Manchester City in a breathtaking quarter-final second leg game on Wednesday.
'I've watched Farhan Akhtar's films, and admired him. Then when I saw him in person, I was overwhelmed.' Candid confessions from Aditi Rao Hydari.
Alastair Cook was never the most innovative England cricket captain, his batting was designed to soothe rather than stir the blood and his personality was so cautious that it was little wonder he never featured when flashy sports awards were being handed out.
Canadian Penny Oleksiak and Simone Manuel of the United States were inseparable at the finish and even more united in joy after a stunning 100 metres freestyle dead-heat rewarded both with Olympic gold on Thursday.
Chelsea put all their struggles away and looked like a renewed squad, stamping their class over Crystal Palace in their English Premier League match at the Selhurst Park on Sunday.
Dinesh Vazirani on how he built Saffronart into an institution.
Here's a collection of some of the best photos from around the world shot in the last 24 hours
Images from Day 1 of the 5th Test at the Oval in London on Friday
The immaculate Serb became the first player in the Tour Finals' 46-year history to claim the title four times in a row
Here's everything you need to know about the Indo-Brit model who's been making waves on the Indian fashion circuit.
England paceman James Anderson ripped shellshocked Australia to shreds with six wickets to bowl the tourists out for a paltry 136 on the first day of the third Ashes Test at Edgbaston on Wednesday.
Images from the Champions League matches played across Europe on Tuesday
The glittering career of Russian former World No 1 Maria Sharapova was in tatters after she was given a two-year ban by the International Tennis Federation. Check out the high points in her career...
The richest self-made woman in America is Diane Hendricks, the owner of ABC Supply.
Images from the UEFA Champions League matches played on Tuesday.
Images from the English Premier League matches played on Wednesday
'There is never a safe choice in the movie business.' 'Everything is chance.'
Images from the English Premier League matches played on Saturday
Awesome photos of the month: February Here are some of the best photographs clicked across the globe in the month of February.
'We like to tell the rest of the world that we did it better, that we were stronger, that we had larger cities, that we taught them science,' Naman Ahuja tells Anjali Puri. 'This exhibition is an antidote to insularity -- it is saying we have learnt as much from the world as we have given it.'
After launching the new season with an emphatic title win at the just-concluded Syed Modi International tournament, India's top shuttler Parupalli Kashyap said he needed this victory to silent the critics after been "written off".
Even by the standards of modern soccer management mayhem, the vertiginous rise and equally stunning fall of Leicester City coach Claudio Ranieri takes the breath away.
Ole Gunnar Solskjaer continued his dream start as Manchester United caretaker manager with a 3-1 Premier League win over Huddersfield on his Old Trafford debut in the dugout on Wednesday.
The 18 year old from a small town of Rajasthan has been signed on by the agency that manages supermodels like Gigi Hadid and Miranda Kerr.
Here's your weekly digest of the craziest and funniest stories from around the world.
No one expects Nigeria to win, but by now everyone knows that shirt...
Brazil now has a bigger economy than the United Kingdom.
'Not only will Peter, Indrani, Sanjeev be making twice monthly trips to the sessions court for many years, so will their family, their lawyers and the journalists covering the case, becoming almost like bittersweet friends, as large portions of their lives play out there.'
Key moments in Chelsea's Premier League title-winning season.
The Premier League kicked off in unique fashion on Saturday as an own goal by Tottenham Hotspur's Kyle Walker gave Manchester United a 1-0 victory in an undistinguished season opener at Old Trafford.
Veteran swimmer Ryan Lochte's brush with Rio police has already hurt his appeal to sponsors - but for two lesser-known team mates, it means they may never get a chance to sign their first major deal.
A round-up of results from the Nations League matches played on Sunday
Muzaffar Ali returns as a director after three decades.
A UK survey studied 3,000 volunteers to divide women's body types into six distinct categories.
Commonwealth Games gold medallist Parupalli Kashyap stunned world No. 4 Kenichi Tago of Japan by posting a straight-game victory in the first round of the men's singles event while Saina Nehwal registered an easy victory at the French Open Super Series in Paris.