「Nitto ATPファイナルズ」(イギリス・ロンドン/11月10~17日/賞金総額900万ドル/室内ハードコート)

LONDON, ENGLAND - NOVEMBER 14: Roger Federer of Switzerland celebrates match point in his singles match against Novak Djokovic of Serbia during Day Five of the Nitto ATP World Tour Finals at The O2 Arena on November 14, 2019 in London, England. (Photo by Justin Setterfield/Getty Images)