The season comes to a close at the O2 Arena in London as the top eight players in the world battle for the ATP World Tour Finals trophy. The tournament, previously called the Tennis Masters Cup, has been held at London(***)s O2 Arena since 2009. Former world number ones Pete Sampras, Ivan Lendl and Roger Federer hold the record for the most titles, each with five [GALLO/GETTY]
23 Nov 2011
Back to winning ways after victory at the Paris Masters, Roger Federer will be eager to end his season on a high after a testing year. Federer was unable to win a grand slam but enters the tournament as reigning champion after victory over Rafael Nadal in 2010 [GALLO/GETTY]
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Rafael Nadal will put his golf clubs away for at least a week as he attempts to assert his authority over his ever-improving rivals. Despite winning the French Open this year, the Spaniard was overtaken by Novak Djokovic at the top of the ATP world rankings [GALLO/GETTY]
Serbian Novak Djokovic has been the in form player of the year. He has won an impressive three grand slams and at the start of the season went on a remarkable 43 match winning streak that ended with defeat to Federer at the French Open. However, the world number one is currently suffering from a back injury and will be under pressure from group rival... [GALLO/GETTY]
...Andy Murray who finished the season as world number three, ahead of Roger Federer, after a succession of tournament wins. The young Scot will benefit from having both form and the crowd on his side as he battles for another victory [GALLO/GETTY]
David Ferrer is one to watch at the tournament as he is known for his consistent good form. However, the Spaniard struggles at indoor tournaments and will have to play his best tennis to challenge the sport(***)s big four [GALLO/GETTY]
Mardy Fish of the United States is the surprise package of the tournament. Since reaching the fourth round of the U.S. Open, Fish has not performed well on the circuit and has struggled with injury [GALLO/GETTY]
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Here the Czech Republic(***)s Tomas Berdych celebrates victory after defeating Marin Cilic in the final of the Chinese Open on October 9. Berdych reached the Wimbledon final in 2010 and will be keen to replicate this sort of form once again in the capital [GALLO/GETTY]
Jo-Wilfired Tsonga(***)s greatest victory of this season came at Wimbledon when he knocked Roger Federer out of the tournament in the quarter-finals. The Frenchman is playing some great tennis and his easy smile has made him popular with the crowd [GALLO/GETTY]
![The season comes to a close at the O2 Arena in London as the top eight players in the world battle for the ATP World Tour Finals trophy. The tournament, previously called the Tennis Masters Cup, has been held at London(***)s O2 Arena since 2009. Former world number ones Pete Sampras, Ivan Lendl and Roger Federer hold the record for the most titles, each with five [GALLO/GETTY]](/wp-content/uploads/2011/11/20111118113832720580_8.jpeg?resize=770%2C513)
![Back to winning ways after victory at the Paris Masters, Roger Federer will be eager to end his season on a high after a testing year. Federer was unable to win a grand slam but enters the tournament as reigning champion after victory over Rafael Nadal in 2010 [GALLO/GETTY]](/wp-content/uploads/2011/11/2011111811377860734_8.jpeg?fit=770%2C515)
![Rafael Nadal will put his golf clubs away for at least a week as he attempts to assert his authority over his ever-improving rivals. Despite winning the French Open this year, the Spaniard was overtaken by Novak Djokovic at the top of the ATP world rankings [GALLO/GETTY]](/wp-content/uploads/2011/11/2011111811398236621_8.jpeg?fit=770%2C515)
![Serbian Novak Djokovic has been the in form player of the year. He has won an impressive three grand slams and at the start of the season went on a remarkable 43 match winning streak that ended with defeat to Federer at the French Open. However, the world number one is currently suffering from a back injury and will be under pressure from group rival... [GALLO/GETTY]](/wp-content/uploads/2011/11/20111118113942268734_8.jpeg?fit=770%2C515)
![...Andy Murray who finished the season as world number three, ahead of Roger Federer, after a succession of tournament wins. The young Scot will benefit from having both form and the crowd on his side as he battles for another victory [GALLO/GETTY]](/wp-content/uploads/2011/11/20111118113928486734_8.jpeg?fit=770%2C515)
![David Ferrer is one to watch at the tournament as he is known for his consistent good form. However, the Spaniard struggles at indoor tournaments and will have to play his best tennis to challenge the sport(***)s big four [GALLO/GETTY]](/wp-content/uploads/2011/11/20111118114050924621_8.jpeg?fit=770%2C515)
![Mardy Fish of the United States is the surprise package of the tournament. Since reaching the fourth round of the U.S. Open, Fish has not performed well on the circuit and has struggled with injury [GALLO/GETTY]](/wp-content/uploads/2011/11/20111118114014924580_8.jpeg?fit=770%2C515)
![Here the Czech Republic(***)s Tomas Berdych celebrates victory after defeating Marin Cilic in the final of the Chinese Open on October 9. Berdych reached the Wimbledon final in 2010 and will be keen to replicate this sort of form once again in the capital [GALLO/GETTY]](/wp-content/uploads/2011/11/20111118114031659580_8.jpeg?fit=770%2C515)
![Jo-Wilfired Tsonga(***)s greatest victory of this season came at Wimbledon when he knocked Roger Federer out of the tournament in the quarter-finals. The Frenchman is playing some great tennis and his easy smile has made him popular with the crowd [GALLO/GETTY]](/wp-content/uploads/2011/11/2011111811507912734_8.jpeg?fit=770%2C515)
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