Roger Federer, who won six of his 20 Grand Slam titles in Melbourne, returned to the Australian Open this year for the first time since retiring in 2022
A moniker given to the Australian Open by Roger Federer has come to be a huge part of the tournament's identity.
Nicknamed the "Happy Slam" by the Swiss great, the first major of the season is largely loved by the players and continues to attract record-breaking crowds.
Innovative additions, such as this year's One Point Slam, have brought new eyeballs to the sport and been considered a roaring success.
But there have also been signs of cracks over the past three weeks.
