Novak Djokovic has retired from his Australian Open semi-final against Alexander Zverev after struggling with injury.The 37-year-old lost the first set on a tiebreak to second seed Zverev and ...

Ten-time Australian Open champion Novak Djokovic says it is possible he may not return to play at Melbourne Park after injury forces him out of his semifinal. Follow live.

Fans would be disappointed to not see Djokovic go for his record-extending 25th title this time but it will surely be a great ...