Serena Williams has tasted defeat in her semi-final this morning.
Japan's Naomi Osaka has beaten Serena Williams 6-3, 6-4 to reach the Australian Open ladies singles final in Melbourne.
It means Williams will have to wait to win a record equaling 24th Grand Slam title.
Osaka has never lost a Slam final and will now play American Jennifer Brady in the decider.
Brady has beaten Karolina Muchova in 3 sets.
Novak Djokovic has booked his place in the Australian Open final.
The defending champion beat Russian qualifier Aslan Karatsev in three sets in first of the men's semi finals in Melbourne.
Djokovic will play the winner of tomorrow's match between Stefanos Tsitsipas and Daniil Medvedev.