India, Jan. 30 -- For the first time in 12 years, all four top seeds have reached the semifinals of the Australian Open. And each has a record or milestone at stake, with just two more wins standing in their way. World No. 1 Carlos Alcaraz is aiming to become the youngest man in the Open Era to complete a career Grand Slam. Defending champion and World No. 2 Jannik Sinner stands on the brink of becoming only the second man in the Open Era to complete a three-peat in Melbourne. World No. 3 Alexander Zverev is chasing his maiden Grand Slam title, while Novak Djokovic remains in pursuit of an unprecedented 25th major, a mark that has eluded him over the past 24 months.

With Rod Laver Arena set to host the two men's singles semifinals on Fri...