Novak Djokovic came back from one set down vs. Carlos Alcaraz in the quarterfinals of the Australian Open to beat the young tennis star 4-6, 6-4, 6-3, 6-4. The intense and fun match went on for almost three and a half hours until nearly 1 a.

Novak Djokovic speaking after his victory over Carlos Alcaraz. (Image: Eurosport.) Novak Djokovic was confused as to why his children were still awake at 1am in Melbourne as they stayed to watch him defeat Carlos Alcaraz and reach the Australian Open semi-finals.

Alexander Zverev now stands in the way of Djokovic and another Australian Open final, with the German World No.3 getting the better of American Tommy Paul earlier on Tuesday. Zverev - who is aiming to win his first major singles title - beat Paul 7-6 (7/1) 7-6 (7/0) 2-6 6-1.