Citing an unspecified, "ongoing injury," Novak Djokovic announced his withdrawal from the season-ending ATP Finals on Tuesday.

BELGRADE, Serbia — Novak Djokovic won't defend his ATP Finals title after ruling himself out Tuesday citing an injury, leaving the season-ending event without a member of the Big Three of men's tennis for the first time in 23 years. “I was really ...

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.