Raven Klaasen Pictures
LONDON, ENGLAND - NOVEMBER 17: Raven Klaasen of South Africa, playing partner of Michael Venus of New Zealand stretches to play a backhand in their doubles final match against Nicolas Mahut and Pierre-Hugues Herbert of France during Day Eight of the Nitto ATP World Tour Finals at The O2 Arena on November 17, 2019 in London, England. (Photo by Justin Setterfield/Getty Images)