Barclays ATP World Tour Finals - Day Four [Getty Images]

LONDON, ENGLAND - NOVEMBER 12: Tomas Berdych of Czech Republic (R) is congratulated by Marin Cilic of Croatia on winning the round robin singles on day four of the Barclays ATP World Tour Finals at the O2 Arena on November 12, 2014 in London, England. (Photo by Clive Brunskill/Getty Images)

Getty Images Sport Clive Brunskill