Injuries have been an indelible part of the American’s story—he’s “definitely pretty pissed off”—but his talent is obvious, and his potential remains sky-high.

There will be no all-American final on the men's side, though, after Felix Auger-Aliassime upset top seed Tommy Paul. He will face No. 2 seed Sebastian Korda.

Three storylines to follow at the Australian Open tune-ups in Adelaide, Auckland and Hobart.