Zverev, who is seeking his first Grand Slam title, admonished the crowd a bit for the reaction during his on-court interview.From NFL plays to college sports scores, all the top sports news you need to know every day.

Follow live text and radio commentary featuring Jannik Sinner and Novak Djokovic from the Australian Open semi-finals in Melbourne.

Novak Djokovic’s quest for a record-extending 25th grand slam title has been cut short at the Australian Open after he stunningly retired from his semifinal match due to injury.

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

Follow Novak Djokovic vs Alexander Zverev on BBC Sport Website/app and listen to Jannik Sinner vs Ben Shelton on 5 Sports Extra and BBC Sounds

It seems as if there’s always something going on with Novak Djokovic at Grand Slam tournaments. Even he says so.

The 10-time Australian Open champion reconfigured his tactics and dragged Alcaraz out of his comfort zone to win in four sets

Novak Djokovic played the first set of his Australian Open semi-final before retiring through injury as boos broke out from the crowd - but Alexander Zverev was quick to hit back

Novak Djokovic left Rod Laver Arena to a chorus of boos after dramatically pulling the plug on his Australian Open campaign a set into his semi-final against Alexander Zverev. There had been doubt about the Serbian's fitness until he took to the court after he suffered a left leg injury during his quarter-final against Carlos Alcaraz on Tuesday.

Novak Djokovic retires from Australian Open semi-final as Alexander Zverev advances - live - Djokovic is out of the Australian Open after retiring from his semi-final, with Zverev through to play Jann