Alex de Minaur is through to the quarterfinals of the Australian Open for the first time, defeating American giant-killer Alex Michelsen.

Novak Djokovic and Carlos Alcaraz will square off again in a Grand Slam after both stars won their fourth-round matches Sunday at the Australian Open.

Alcaraz has hit his usual highlight-reel shots from time to time and Djokovic has dropped only two sets, but the nature of their paths to the last eight has been unexpected. From the moment the draw was made,