Stefanos Tsitsipas took four sets to beat Roger Federer in the fourth round of the Australian Open on Sunday. Lynn Bo Bo / EPA
Stefanos Tsitsipas took four sets to beat Roger Federer in the fourth round of the Australian Open on Sunday. Lynn Bo Bo / EPA
Australian Open updates: Defending champion Roger Federer beaten by Stefanos Tsitsipas
Ashleigh Barty also through to quarter-finals after defeating Maria Sharapova
Graham Caygill
January 20, 2019
