Novak Djokovic and Andy Murray faced each other 36 times throughout their tennis careers, mostly in finals and often at the business end of a grand slam. But at this year’s Australian Open, their decades-long rivalry has taken an unexpected turn.

The sandwich generation, up-and-coming prospects and one very important court that has nothing to do with tennis

Here is everything you need to know about Novak Djokovic's appearance at the Australian Open, including the latest results from the tournament.