Djokovic, who retired due to injury after the first set, was booed by the crowd as he walked off Rod Laver Arena.

Novak Djokovic wrote a heartfelt message to Alexander Zverev on Instagram after his injury retirement in the Australian Open.

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. The AP's Howard ...

Spectators booed as the 37-year-old Djokovic walked off toward the locker room, and he stopped, turned around and responded ...

CNN’s Ben Wedeman dives deep underground in Rome to explore the Aqua Virgo, an ancient aqueduct that continues to supply ...

Novak Djokovic surprised everyone when he retired due to injury after the first set of his match against Alexander Zverev, and surprisingly, some of the Open crowd booed. Maybe fans felt like they ...

An ailing leg leads to an abrupt finish for the 24-time major winner, who’s a 10-time winner in Melbourne.

The No. 2 seed awaits the winner between world No. 1 Jannik Sinner and No. 21 seed Ben Shelton in his third career Grand Slam final.

The Australian Open semifinal match between Novak Djokovic and Alexander Zverev came to a shocking conclusion late Thursday night for fans watching in the United States when Djokovic retired due to ...

MELBOURNE, Australia (AP) — Novak Djokovic retires from his Australian Open semifinal after losing the first set against Alexander Zverev.