Milos Raonic of Canada returns to Novak Djokovic of Serbia during his final match at the BNP Paribas 2014 Masters tennis tournament in Paris, France, 02 November 2014. EPA/IAN LANGSDON

Novak Djokovic of Serbia returns to Milos Raonic of Canada during his final match at the BNP Paribas 2014 Masters tennis tournament in Paris, France, 02 November 2014. EPA/IAN LANGSDON

Milos Raonic of Canada reacts during his final match against Novak Djokovic of Serbia at the BNP Paribas 2014 Masters tennis tournament in Paris, France, 02 November 2014. EPA/IAN LANGSDON

Novak Djokovic of Serbia returns to Milos Raonic of Canada during his final match at the BNP Paribas 2014 Masters tennis tournament in Paris, France, 02 November 2014. EPA/IAN LANGSDON

Milos Raonic of Canada serves to Novak Djokovic of Serbia during his final match at the BNP Paribas 2014 Masters tennis tournament in Paris, France, 02 November 2014. EPA/IAN LANGSDON

Novak Djokovic of Serbia celebrates after winning the final match against Milos Raonic of Canada at the BNP Paribas 2014 Masters tennis tournament in Paris, France, 02 November 2014. EPA/IAN LANGSDON

Tournament winner Novak Djokovic of Serbia (R) poses with second placed Milos Raonic of Canada after the final match at the BNP Paribas 2014 Masters tennis tournament in Paris, France, 02 November 2014. EPA/IAN LANGSDON