ATP World Tour: In pictures

Djokovic turned on the style to outclass old adversary Rafael Nadal 6-3, 6-3 in the first semi-final of the World ATP Tour at the O2 Arena, in London. Photo: REUTERS
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Spain's Rafael Nadal in action during his match against Serbia's Novak Djokovic. Photo: REUTERS
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Novak Djokovic will meet Roger Federer, for the 44th time, in the final. Photo: REUTERS
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Six-time champion Roger Federer saw off his Swiss compatriot Stan Wawrinka 7-5, 6-3 to set a final clash against Novak Djokovic. It will be the Swiss maestro's tenth final. Photo: REUTERS
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Stanislas Wawrinka throws his racquet during his semi-final match with Roger Federer. Photo: REUTERS
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Roger Federer with Stanislas Wawrinka after their semi-final match. Photo: REUTERS
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Novak Djokovic celebrates with the trophy after winning the Barclays ATP World Tour Finals against Roger Federer. Photo: REUTERS
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