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