On the second day of the quarterfinals, the last semifinalists of the men's and women's draws at the Australian Open will be determined. Defending champion Jannik Sinner will face local star Alex De

As much as any top player, Sinner has been able to expose De Minaur’s lack of first-strike weaponry. The Aussie’s strength is his scrambling and counterpunching, but Sinner serves too well, hits too hard, places the ball too precisely for his defense to be effective. De Minaur hasn’t found a way to hurt, rattle, of disrupt him.