![A general view of the o2 Arena as Switzerland's Roger Federer competes against Great Britain's Andy Murray during the Barclay's ATP World Tennis Tour Finals at the O2 Arena, London Stock Photo - A general view of the o2 Arena as Switzerland's Roger Federer competes against Great Britain's Andy Murray during the Barclay's ATP World Tennis Tour Finals at the O2 Arena, London Stock Photo -](https://c8.alamy.com/comp/GC6D68/a-general-view-of-the-o2-arena-as-switzerlands-roger-federer-competes-GC6D68.jpg)
A general view of the o2 Arena as Switzerland's Roger Federer competes against Great Britain's Andy Murray during the Barclay's ATP World Tennis Tour Finals at the O2 Arena, London Stock Photo -
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Tennis - Barclays ATP World Tour Finals - 02 Arena, London - 6/11/12 Men's Singles - General view of Serbia's Janko Tipsarevic and Switzerland's Roger Federer (L) during their Group B round
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Tennis - Barclays ATP World Tour Finals - 02 Arena, London - 11/11/12 Men's singles - General view Mandatory Credit: Action Images / Tony O'Brien Stock Photo - Alamy
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