Federer, Nadal and ATP Finals crew take group selfies

De Minaur 'I was lucky to face Roger Federer and Rafael Nadal'

"I need to go day by day", Nadal told reporters after arriving at London's Thames-side O2 Arena by boat on Friday.

Djokovic, who won the Australian Open and Wimbledon this season, must reach the final in London to have any chance of overtaking Nadal at the top of the rankings.

"That is a smartly edifying truth because they're the ones who're a hit the effective tournaments however I mediate the younger guys are bettering reasonably expeditiously and or no longer it can presumably be racy to review how that goes". I need to see how things evolve every single day.

The 33-year-old Mallorcan took over at the summit from Novak Djokovic this week but suffered an abdominal injury at the Paris Masters where he withdrew from his semi-final on Saturday.

The world No 2 has enjoyed real success in indoor events and picked up a fifth Paris Masters crown last weekend.

"Everything Roger does, he does 100 per cent, so I think he's 100 per cent behind Sascha otherwise he wouldn't sign him".

He has often struggled with injuries towards the end of the season - missing the ATP Finals past year through injury and pulling out after just one match in 2017.

"I'm confident that I can be very competitive but of course it's a tournament that you will face the top guys from the beginning so you need to be 100 percent ready".

The Spaniard has withdrawn ahead of the tournament six times since he first qualified in 2005 and two years ago was only able to complete one match.

"But I really hope I will be able to serve every single day a little better and my hope is to be on Sunday serving normal".

Nadal's opponents in the Andre Agassi group are Medvedev, Tsitsipas and Zverev while Djokovic will be up against Federer, Thiem and Berrettini in the Bjorn Borg group. "In order for me to be in the position to be year-end number one I understand I have to be healthy and schedule well".

Djokovic has made no secret of how much he values records and tying Pete Sampras by finishing a year ranked on top of the world for a sixth time would be another notable one. "I've historically played well in the indoor season".

"The next two or three years will be very exciting because the top guys are still there and they are still better than us because they win all the big titles".

We broke down their head-to-head numbers and analysed whether they have dominated the ATP Finals like they dominate Grand Slam tournaments.

The 32-year-old from Serbia leads Federer 4-2 in match-ups at this event, though one of those was the 2014 final when the Swiss pulled out beforehand because of injury.



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