"It's a big tournament, one of the biggest we have in tennis, " Djokovic told the ATP Tour's official website after securing his 31st career title.

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Novak won the Belgrade event in its opening year and says on his website it is the most cherished title in a stellar career that now includes five grand slam wins.

CNN: Emotional toll too much for Djokovic

Former Jordan team owner Eddie Jordan said that the comments on the website would not affect Hamilton's title hopes.

BBC: Website racists target Hamilton