Novak Djokovic's quest for a record-breaking 25th Grand Slam title was over on Friday, after the 10-time Melbourne champion ...

Novak Djokovic retired injured from his Australian Open semi-final against Alexander Zverev on Friday and left the court to ...

Novak Djokovic is booed off court by some Australian Open fans after retiring injured from his semi-final against Alexander ...

Djokovic is only interested in tennis' biggest prizes. He still has the game to win them, but at age 37 his body is letting ...

Novak Djokovic is 37 and was forced to stop playing because of an injury at two of the past four Grand Slam tournaments.

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

Novak Djokovic retired injured after losing the first set 7-6(5) against Alex Zverev on Friday to put the German through to ...

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