Jannik Sinner Faces Alexander Zverev Test In 'Perfect' Australian Open Final
Jannik Sinner is wary of "physical beast" Alexander Zverev as the Italian bids to join an elite group with back-to-back Australian Open titles in a final Sunday that pits the world's top two players.

Jannik Sinner is wary of "physical beast" Alexander Zverev as the Italian bids to join an elite group with back-to-back Australian Open titles in a final Sunday that pits the world's top two players.