Novak Djokovic proved himself the Melbourne Park master once again with an impressive late-night victory over young pretender Carlos Alcaraz.
The 10-time Australian Open champion is only two wins away from a record-breaking 25th grand slam title after a 4-6 6-4 6-3 6-4 success completed at 12.57am.
A potential concern for Djokovic, who next plays second seed Alexander Zverev in what will be his 50th slam semi-final, is a left leg problem that required treatment during the opening set, but he seemed to improve physically as the match went on.
Alcaraz trailed 3-4 in the head-to-head and had lost their last meeting in the Olympic final, but he felt like a solid favourite on age, form and having defeated…