In the first ATP Tour Finals without any of the 'Big Three' since 2001, the players whose hopes they crushed try to figure out their heirs

When the world’s top men’s tennis players descend on Europe for the ATP Finals, they do so in Turin, Italy, taking over the Inalpi Arena for the end-of-the-year showcase.

Jannik Sinner and Carlos Alcaraz are poised to add another entry into their rapidly developing rivalry when the ATP Finals open on Sunday without any of the Big Three for the first time in 23 years. The top-ranked Sinner and No.