Even Roger Federer Went Nuts Over This 27-Stroke Rally Between Maria Sharapova & Lauren Davis

American Lauren Davis has forced a third set against fifth seed Maria Sharapova at the Australian Open after winning a second-set tiebreak. That came despite her unforced error at the end of this remarkable 27-stroke rally—one that got Roger Federer, awaiting his turn against Grigor Dimitrov, out of his seat: