Barclays ATP World Tour Finals

See the world's best tennis players in action as the Barclays ATP World Tour Finals come to London in November 2009.

Barclays ATP World Tour Finals in London

The O2 will host the top eight men's singles players in this final tournament of the season.

The unique round-robin format of the World Tour Finals means the top eight ATP (Association of Tennis Professionals) stars all play three matches as they battle for a place in the semifinals.

The world's best eight doubles teams, those who demonstrate sustained excellence throughout the year on the ATP circuit also take part in the tournament.

The Barclays ATP World Tour Finals in London in Numbers

• Eight: Finish the season in the Top 8, and you qualify for the tournament
• Five: the total prize money for the Barclays ATP World Tour Finals is $5m
• Three: the number of matches each player fights for a place in the semifinal
• One: the winner of this prestigious tennis title finishes as the season's No. 1 player

The History of the Barclays ATP World Tour Finals

The prestigious tournament has been fought in cities around the world. 

The history of this tournament dates back to the birth of The Masters in 1970 in Tokyo.The Masters, which was played at New York's Madison Square Garden from 1977 to 1989, evolved into the ATP Tour World Championships in 1990. 

Frankfurt and Hannover shared the event through 1999, and in 2000 the event was rebranded Tennis Masters Cup.

London's O2 Welcomes Novak Djokovic, Andy Murray and more

Defending champion Novak Djokovic strengthened his bid to qualify for the Barclays ATP World Tour Finals as he won the Barclays Dubai Tennis Championships.

Can Andy Murray finish his season on a high? Will Rafael Nadal's dominance continue? 

Come to The O2 in London to find out.