Ivan Dodig Pictures
LONDON, ENGLAND - NOVEMBER 15: Ivan Dodig of Croatia and Marcel Granollers of Spain return the ball during the doubles match against Bruno Soares of Brazil and Jamie Murray of Great Britain on day four of the 2017 Nitto ATP World Tour Finals at O2 Arena on November 15, 2017 in London, England. (Photo by Clive Brunskill/Getty Images)