Novak Djokovic wrote a heartfelt message to Alexander Zverev on Instagram after his injury retirement in the Australian Open.

Novak Djokovic surprised everyone when he retired due to injury after the first set of his match against Alexander Zverev, ...

Spectators booed as the 37-year-old Djokovic walked off toward the locker room, and he stopped, turned around and responded ...

Alexander Zverev urges fans not to boo Novak Djokovic, who retired in the Australian Open Semifinals due to injury ...

Novak Djokovic vs Alexander Zverev, Australian Open Highlights: The first set went on for more than an hour and Djokovic was ...

Novak Djokovic has retired from his Australian Open semifinal against Alexander Zverev after losing the first set in a ...

Alexander Zverev chided the crowd after they booed Novak Djokovic for retiring due to injury after the first set in an ...

Novak Djokovic will take on Alexander Zverev in the Australian Open semifinals on Thursday, January 23.Djokovic earned a four ...

The great Aussie turned 40 in 1974 but still played at a high level. Rosewall toppled John Newcombe at Wimbledon and the US ...

Alexander Zverev had a classy response to Novak Djokovic's medical retirement on Friday. Zverev won the first set of his ...

MELBOURNE, Jan 24 (Reuters) - Novak Djokovic retired injured after losing the opening set of his clash with Alexander Zverev ...

Novak Djokovic has posted a scan of his injured left hamstring on social media more than 24 hours after being booed at the ...