Early in 1989 , Muster became the first Austrian to reach the semi finals of the Australian Open and , shortly after that , the first Austrian to be ranked in the world 's top 10 .
Early in 1989 , Muster became the first Austrian to reach the semi finals of the Australian Open , losing in 4 sets to eventual champion , Ivan Lendl . 
 Shortly after that , Muster became the first Austrian to be ranked in the world 's top 10 .