Novak Djokovic, one of the greatest players in tennis history, has hinted at how he envisions his retirement, but the timeline for stepping away from the sport remains uncertain.

Australian Open begins January 12 in Melbourne, and the draws for the men’s and women’s singles are intriguing — and have thrown up some blockbuster first-round matches. The Athletic’s tennis writers,

Djokovic refused to elaborate on Friday in Melbourne when asked if he had any evidence that his high heavy metal blood levels were linked to the food he was given.But he did not back down from the poisoning allegations.