「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 08: Novak Djokovic of Serbia speaks with a coach in a training session during previews for the Nitto ATP World Tour Finals at The O2 Arena on November 08, 2019 in London, England. (Photo by Alex Pantling/Getty Images)