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.

Djokovic has won the ATP Finals, which is the end of year tournament somewhat seen as a fifth major, a record seven times. He won the title last year, beating current World No. 1 Jannik Sinner.

Novak Djokovic said on Tuesday he will miss the eight-man ATP Finals in Turin due to an "ongoing injury". "I was really looking forward to being there, but due to ongoing injury I won't be playing next week," Djokovic said on social media.