Evolved from the year-end tournament known as the Masters Grand Prix that began in 1970, the ATP World Tour Finals has been held at the O2 Arena in London since 2009.
Its move to London definitely breathed new life into the event, which had suffered from player withdrawals during its stint in Shanghai.

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The O2 Arena itself brings a glam factor to the tournament, which already has a marquee line-up but has now also acquired an A-list audience. The sell-out crowds do not only get a chance to rub shoulders with the elite of world tennis, but also catch a glimpse of a glittering array of sports stars and celebrities. Among those spotted last year include Princess Beatrice, Kylie Minogue, Kevin Spacey, and Diego Maradona.

ATP World Tour Finals, O2 Arena, London
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Site: O2 London
Dates: 20-27 November 2011
Surface: Hard
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O2 Arena with Clipper

Singles:

Group A: Novak Djokovic (1), Andy Murray (3), David Ferrer (57), Tomas Berdych (7)
Group B: Rafael Nadal (2),Roger Federer (4), Jo-Wilfried Tsonga (6), Mardy Fish (8)

Doubles:

Group A: Bob and Mike Bryan (1), Mahesh Bhupathi and Leander Paes (4), Robert Lindstedt and Horia Tecau (6), and Jurgen Melzer and Philipp Petzschner (7).
Group B: Michael Llodra Nenad Zimonjic (2), Daniel Nestor and Max Mirnyi (3), Rohan Bopanna and Aisam-Ul-Haq Qureshi (5), Mariusz Fyrstenberg and Marcin Matkowski (8).

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