Kei Nishikori (JPN) in action today during his match against Roger Federer (SUI) in their Group B Singles match - Roger Federer (SUI) def Kei Nishikori (JPN) 6-3 6-2<br />
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Photographer Stephen White/CameraSport<br />
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International Tennis - Barclays ATP World Tour Finals - O2 Arena - London - Day 2 - Tuesday 11th November 2014<br />
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