She went from dodging flies on Court 15 to seeded status at the Australian Open in less than 18 months. Here is how the Californian teenager dismantled the 'gradual progress' rulebook.
He stands six-foot-eight, serves like a trebuchet, and moves like a lightweight boxer. Gabriel Diallo isn't just another tall guy on the ATP Tour—he's the prototype for a terrifying new breed of tennis giant.
