Jannik Sinner, Carlos Alcaraz or Alexander Zverev? Who will win the ATP Finals? watch all the action from the ATP Finals in Turin on Sky Sports Tennis and Sky Sports+ which is integrated into Sky TV,

Jannik Sinner and Carlos Alcaraz are poised to add another entry into their rapidly developing rivalry when the ATP Finals open Sunday without any members of the Big Three for the first time in nearly a quarter century.

TURIN, Italy — Jannik Sinner and Carlos Alcaraz were placed in different groups for the ATP Finals in Thursday’s draw. The earliest they could meet is the semifinals. The Ilie Nastase Group features Sinner, Daniil Medvedev, Taylor Fritz and Alex de Minaur.