Novak Djokovic refused to participate in an on-court interview at the Australian Open following his fourth-round win. Ten-time Australian Open champion Djokovic was in fine form on Sunday ...

Novak Djokovic will be 38 next month, and his longevity on the ATP Tour has taken former World No. 1 Jim Courier by surprise ... However, the 10-time Melbourne Slam champ had to retire midway ...