MILAN, ITALY - NOVEMBER 09: Jannik Sinner of Italy in action against Alex de Minaur of Australia during Day Five of the Next Gen ATP Finals at Allianz Cloud on November 09, 2019 in Milan, Italy. (Photo by Julian Finney/Getty Images)
MILAN, ITALY - NOVEMBER 09: Jannik Sinner of Italy in action against Alex de Minaur of Australia during Day Five of the Next Gen ATP Finals at Allianz Cloud on November 09, 2019 in Milan, Italy. (Photo by Julian Finney/Getty Images)