Meanwhile , 18 - year old Osaka makes her slam debut after making it through the qualifying rounds ( after being so successful in Hobart last week that she almost missed out on the qualifying competition in Melbourne ) .
And she knows it , too .
18 - year old Osaka makes her slam debut after making it through the qualifying rounds ( after being so successful in Hobart last week that she almost missed out on the qualifying competition in Melbourne ) .
And she knows it , too .