Roger Federer must overcome the powerful game of an in-form Marin Cilic if he is to win a 20th Grand Slam title at the Australian Open on Sunday.
The pair meet in the final at 08:30 GMT, with live coverage on BBC Radio 5 live and the BBC Sport website.
Federer, 36, is through to a record seventh Australian Open final and trying to win it for the sixth time.
Cilic, 29, is bidding to win his second major title and become the first Croatian to win the Australian Open.
"It's a big motivation for me to play the final and obviously to win," said Cilic, who beat top seed Rafael Nadal in the quarter-final and Britain's Kyle Edmund in the semi-final.