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O2, London, UK. 11 November, 2018. Day one of the tournament begins at the O2 arena in London. Novak Djokovic is presented on court with the ATP World No. 1 Award, presented
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18th November 2018, The O2 , London, England; Nitto ATP World Tour Finals; Mike Bryan and Jack Sock of USA win the doubles Credit: Romena Fogliati/News Images Stock Photo - Alamy
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