DJOKOVIC QUITS MID-MATCH; ZVEREV REACHES AUSTRALIAN OPEN FINAL

Spectators booed an injured Novak Djokovic as he left the court in Rod Laver Arena after quitting one set into his Australian Open semifinal against Alexander Zverev on Friday.

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Dealing with what he said was a torn muscle, Djokovic lost the opening set 7-6 (5) when he put a forehand volley into the net, then began shaking his head and immediately walked over to tell Zverev the match was over. The 37-year-old Djokovic packed up his equipment and walked off toward the locker room, pausing to respond to the jeers by giving two thumbs-up.

At his news conference. Djokovic said the pain in his taped left leg was "getting worse and worse." He hurt it during his quarterfinal victory over Carlos Alcaraz on Tuesday night.

"I knew," Djokovic said, "even if I won the first set, it was going to be a huge uphill battle for me."

He was bidding for an 11th championship at the Australian Open and record 25th Grand Slam title overall. In stead, it will be No. 1 seed and defending champion Jannik Sinner facing No. 2 Alexander Zverev in Sunday's final. Zverev is 0-2 in major finals; this will be his first at Melbourne Park.

"Everything can happen," said Sinner, who is on a 20-match unbeaten run. "He's an incredible player."