It's the blockbuster semi-final of the Australian Open - Novak Djokovic and Alexander Zverev at Rod Laver Arena on a Friday afternoon.

Alexander Zverev frames a forehand into the stands to end an epic Novak Djokovic service game.

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

Novak Djokovic retires from his Australian Open semifinal after losing the first set against Alexander Zverev.

Australian Open 2025: Seventh seed Novak Djokovic retired from his semi-final match against Alexander Zverev at the Rod Laver Arena after losing the first set. Listen to Story Novak Djokovic retired ...