ATP Finals: Jannik Sinner defeats Novak Djokovic as Stefanos Tsitsipas withdraws through injury
Stefanos Tsitsipas had to withdraw from the event after consulting with a doctor Jannik Sinner claimed his first ever victory against Novak Djokovic as the Italian beat the world number one at the ATP Finals in Turin. Sinner, 22, won a third-set tie-break to secure the group match 7-5 6-7 (5-7) 7-6 (7-2) in three […]