LONDON, ENGLAND - NOVEMBER 13: Rafael Nadal of Spain (1) during his defeat to David Goffin of Belgium (7) in their Group Pete Sampras Match today - Goffin def Nadal 7-6, 6-7, 6-4 at O2 Arena on November 13, 2017 in London, England. (Photo by Ashley Western - CameraSport via Getty Images)
