Novak Djokovic has won the ATP World Tour Finals. It’s his fifth win of the title and for the fourth year running. The Serbia world Number One defeated Roger Federer at the event in London 6-3 6-4. Following the win, Djokovic spoke about his goals for the next year, saying he will focus on big events like the 2016 Rio Olympics. The win caps a fantastic year for the 28-year-old in which he picked up 11 titles including three Grand Slams. Djokovic said he never expected the achievement.

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