Marcelo Melo Pictures
LONDON, ENGLAND - NOVEMBER 14: Marcelo Melo of Brazil, playing partner of Lukasz Kubot of Poland reacts in his doubles match against Joe Salisbury of Great Britain and Rajeev Ram of the USA during Day Five of the Nitto ATP World Tour Finals at The O2 Arena on November 14, 2019 in London, England. (Photo by James Chance/Getty Images)