Some things never change, or so it seems. With the top four men's seeds reaching the Aussie semis, it's going to be a long year for the contenders.
Novak Djokovic already has secured the top ranking. But there are plenty of unknowns heading into the year-end championships.
Ah, the many manifestations of clay. We'll find out what kind of mark it leaves on the game's top 12 players in the coming days.