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Novak Djokovic retained his title at the ATP World Tour Finals, with a crushing victory over Rafael Nadal on Monday.
Nadal deservedly ends the year on top of the rankings, after an incredible comeback from injury, but Djokovic delivered an ominous show of force at the O2 Arena in London.
It was a one hour, 36 minute masterclass of power and precision from Djokovic, and if anything, the 6-3 and 6-4 scoreline flattered Nadal, who spent most of the match dancing to his opponent's tune.
