General view inside the stadium in the singles match between Roger Federer of Switzerland and Matteo Berrettini of Italy during Day Three of the...
Stefanos Tsitsipas of Greece celebrates winning match point during his singles match against Andrey Rublev of Russia during day three of the Nitto...
Roger Federer of Switzerland celebrates victory in his men's singles match against Novak Djokovic of Serbia during day three of the Barclays ATP...
Casper Ruud of Norway celebrates victory during the round robin match between Taylor Fritz of United States during during day three of the Nitto ATP...
Andy Murray of Great Britain reacts during the men's singles second round match against Roger Federer of Switzerland during the Barclays ATP World...
Roger Federer of Switzerland celebrates winning the match during the men's singles second round match against Andy Murray of Great Britain during the...
Roger Federer of Switzerland serves the ball during the men's singles second round match against Andy Murray of Great Britain during the Barclays ATP...
Andy Murray of Great Britain reacts during the men's singles second round match against Roger Federer of Switzerland during the Barclays ATP World...
Andy Murray of Great Britain arrives during the men's singles second round match against Roger Federer of Switzerland during the Barclays ATP World...
Jermaine Defoe, Michael Dawson and Robbie Keane of Tottenham Hotspurs watch Andy Murray of Great Britain play in the men's singles second round match...
Roger Federer of Switzerland returns the ball during the men's singles second round match against Andy Murray of Great Britain during the Barclays...
Andy Murray of Great Britain arrives with the masoct during the men's singles second round match against Roger Federer of Switzerland during the...
Roger Federer of Switzerland arrives during the men's singles second round match against Andy Murray of Great Britain during the Barclays ATP World...
Andy Murray of Great Britain celebrates a point during the men's singles second round match against Roger Federer of Switzerland during the Barclays...
Andy Murray of Great Britain arrives during the men's singles second round match against Roger Federer of Switzerland during the Barclays ATP World...
Andy Murray of Great Britain celebrates a point during the men's singles second round match against Roger Federer of Switzerland during the Barclays...
Juan Martin Del Potro of Argentina celebrates winning the men's singles second round match against Fernando Verdasco of Spain during the Barclays ATP...
Juan Martin Del Potro of Argentina celebrates winning the men's singles second round match against Fernando Verdasco of Spain during the Barclays ATP...
Juan Martin Del Potro of Argentina celebrates winning the men's singles second round match against Fernando Verdasco of Spain during the Barclays ATP...
Fernando Verdasco of Spain returns the ball during the men's singles second round match against Juan Martin Del Potro of Argentina during the...
Andy Murray of Great Britain signs the Barclays ATP World Tour Finals leader board after qualifying for the eight-man event held at The O2 in London,...
Switzerland's Roger Federer returns against Germany's Alexander Zverev during their men's singles round-robin match on day three of the ATP World...
Alexander Zverev of Germany bites his racket in frustraion during the singles match against Roger Federer of Switzerland on day three of the Nitto...
Germany's Alexander Zverev returns against Switzerland's Roger Federer during their men's singles round-robin match on day three of the ATP World...
Alexander Zverev of Germany congratulates Roger Federer of Switzerland on victory following their singles match on day three of the Nitto ATP World...
Alexander Zverev of Germany congratulates Roger Federer of Switzerland on victory follwing their singles match on day three of the Nitto ATP World...
Roger Federer of Switzerland celebrates victory during the singles match against Alexander Zverev of Germany on day three of the Nitto ATP World Tour...
Roger Federer of Switzerland celebrates victory during the singles match against Alexander Zverev of Germany on day three of the Nitto ATP World Tour...
Alexander Zverev of Germany celebrates during the singles match against Roger Federer of Switzerland on day three of the Nitto ATP World Tour Finals...
Alexander Zverev of Germany celebrates during the singles match against Roger Federer of Switzerland on day three of the Nitto ATP World Tour Finals...
Alexander Zverev of Germany celebrates during the singles match against Roger Federer of Switzerland on day three of the Nitto ATP World Tour Finals...
Alexander Zverev of Germany plays a backhand during the singles match against Roger Federer of Switzerland on day three of the Nitto ATP World Tour...
Alexander Zverev of Germany makes his way out onto court during the singles match against Roger Federer of Switzerland on day three of the Nitto ATP...
Croatia's Marin Cilic returns against USA's Jack Sock during their men's singles round-robin match on day three of the ATP World Tour Finals tennis...
Jack Sock of The United States celebrates victory during the singles match against Marin Cilic of Croatia on day three of the Nitto ATP World Tour...
Jack Sock of The United States celebrates during the singles match against Marin Cilic of Croatia on day three of the Nitto ATP World Tour Finals at...
Croatia's Marin Cilic serves against USA's Jack Sock during their men's singles round-robin match on day three of the ATP World Tour Finals tennis...
S Jack Sock serves against Croatia's Marin Cilic during their men's singles round-robin match on day three of the ATP World Tour Finals tennis...
Marin Cilic of Croatia plays a backhand during the singles match against Jack Sock of The United States on day three of the Nitto ATP World Tour...
Croatia's Marin Cilic returns against USA's Jack Sock during their men's singles round-robin match on day three of the ATP World Tour Finals tennis...
Marin Cilic of Croatia celebrates winning the 1st set during the singles match against Jack Sock of The United States on day three of the Nitto ATP...
Marin Cilic of Croatia celebrates winning the 1st set during the singles match against Jack Sock of The United States on day three of the Nitto ATP...
S Jack Sock returns against Croatia's Marin Cilic during their men's singles round-robin match on day three of the ATP World Tour Finals tennis...
Croatia's Marin Cilic serves against USA's Jack Sock during their men's singles round-robin match on day three of the ATP World Tour Finals tennis...
Henri Kontinen of Finland and John Peers of Australia celebrate victory during the doubles match against Jean-Julien Rojer of The Netherlands and...
Henri Kontinen of Finland and John Peers of Australia celebrate victory during the doubles match against Jean-Julien Rojer of The Netherlands and...
Novak Djokovic of Serbia in action during his men's singles match against Milos Raonic of Canada on day three of the ATP World Tour Finals at O2...
Novak Djokovic of Serbia speaks with Milos Raonic of Canada at the net after their men's singles match on day three of the ATP World Tour Finals at...
Serbia's Novak Djokovic returns against Canada's Milos Raonic during their round robin stage men's singles match on day three of the ATP World Tour...
Serbia's Novak Djokovic reacts after winning against Canada's Milos Raonic during their round robin stage men's singles match on day three of the ATP...
Serbia's Novak Djokovic shakes hands with Canada's Milos Raonic after winning their round robin stage men's singles match on day three of the ATP...
Novak Djokovic of Serbia celebrates victory in his men's singles match against Milos Raonic of Canada on day three of the ATP World Tour Finals at O2...
Novak Djokovic of Serbia celebrates victory in his men's singles match against Milos Raonic of Canada on day three of the ATP World Tour Finals at O2...
Novak Djokovic of Serbia reacts during his men's singles match against Milos Raonic of Canada on day three of the ATP World Tour Finals at O2 Arena...
Serbia's Novak Djokovic reacts after taking a 6-5 lead in a first set tie-break against Canada's Milos Raonic during their round robin stage men's...
Serbia's Novak Djokovic reacts after taking a 6-5 lead in a first set tie-break against Canada's Milos Raonic during their round robin stage men's...
Novak Djokovic of Serbia celebrates a point during his men's singles match against Milos Raonic of Canada on day three of the ATP World Tour Finals...
Novak Djokovic of Serbia celebrates a point during his men's singles match against Milos Raonic of Canada on day three of the ATP World Tour Finals...
Novak Djokovic of Serbia hits a forehand during his men's singles match against Milos Raonic of Canada on day three of the ATP World Tour Finals at...
Novak Djokovic of Serbia hits a forehand during his men's singles match against Milos Raonic of Canada on day three of the ATP World Tour Finals at...