Pierre-Hugues Herbert Pictures
LONDON, ENGLAND - NOVEMBER 16: Pierre-Hugues Herbert and Nicolas Mahut of France celebrate in their semi-final doubles match against Lukasz Kubot of Poland and Marcelo Melo of Brazil during Day Seven of the Nitto ATP World Tour Finals at The O2 Arena on November 16, 2019 in London, England. (Photo by Julian Finney/Getty Images)