Carlos Alcaraz is aiming for a shot at being the youngest player to win a career grand slam - but Alexander Zverev stands in his way in the Australian Open semi-final.

Carlos Alcaraz has taken a 2-0 set lead over Alexander Zverev after winning a tie-breaker over the towering German.

In the men’s competition, Alexander Zverev saw off the 20-year-old American prodigy, Learner Tien, who will surely become a later-stages fixture, in four sets, then Carlos Alcaraz destroyed a game but...