Alexander Zverev tells the crowd not to jeer Novak Djokovic in a sporting gesture after the Serbian quit the match.

MELBOURNE, Australia (AP) — An injured Novak Djokovic quit after dropping the first set of his Australian Open semifinal against Alexander Zverev on...

Injured 10-time champion Novak Djokovic has quit after one set of his Australian Open semi-final, sending Alexander Zverev through to the title match.

Australian Open finalist Alexander Zverev has gone into bat for rival Novak Djokovic, pleading with the Rod Laver Arena crowd to not boo the 10-time...

Australian Open finalist Alexander Zverev has gone into bat for rival Novak Djokovic, pleading with the Rod Laver Arena crowd to not boo the 10-time...

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...

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...

With Alexander Zverev all over the net, Novak Djokovic hits a pinpoint lob to win a crucial point in the first set tiebreak.

Novak Djokovic rounded on his critics on Saturday the day after retiring injured in his Australian Open semi-final after the first set against...