Michael Venus Pictures
LONDON, ENGLAND - NOVEMBER 13: Raven Klaasen of South Africa and Michael Venus of New Zealand attempt to return the ball during their doubles round robin match against Nikola Mektic of Croatia and Alexander Peya of Austria during Day Three of the Nitto ATP World Tour Finals at The O2 Arena on November 13, 2018 in London, England. (Photo by Clive Brunskill/Getty Images)