Andy Roddick didn't think it was fair for Novak Djokovic to receive boos from the Australian Open as the American highlighted it wouldn't be right at all it was the last memory of the Serb at Melbourne Park.

MELBOURNE, Australia (AP) — An injured Novak Djokovic quit because of a torn muscle in his left leg after dropping the first set of his Australian Open semifinal against Alexander Zverev on Friday.

Alcaraz and Djokovic are highlight reels and attention magnets. When they play each other, every ounce of energy is on the task at hand

The Australian Open men's semifinals will be played tomorrow, both on the iconic Rod Laver Arena. The first match will be between Novak Djokovic and Alexander Zverev, while in the night session there will be the challenge between Jannik Sinner and Ben Shelton.

Is the ‘Happy Slam’ becoming the crappy slam?” So asked one Aussie comrade from the press room, after Novak Djokovic had shuffled off Rod Laver Arena to the accompaniment of boos.

Novak Djokovic was booed by a section of the crowd as he retired from his Australian Open semi-final against Alexander Zverev after just one set