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Beijing, China. 6th Oct, 2015. Novak Djokovic of Serbia celebrates during the men's singles first round match of China Open Tennis Tournament against Simone Bolelli of Italy at the National Tennis Center
US Open Tennis on Twitter: ""I have to share my admiration for Roger and everything he's doing" -#Djokovic #Federer #usopen http://t.co/xnofnd5jgi" / Twitter
Australian Open 2015: Novak Djokovic and Stan Wawrinka to add new instalment to great rivalry | Herald Sun
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Tennis player Novak Djokovic of Serbia poses as he attends the presentation of his new sponsorship deal with Uniqlo budget fashion chain in Paris May 23, 2012. Djokovic, appointed Uniqlo global brand
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