22-year-old is first Australian woman in top 10 since 2013 Victory in Florida brings $1.3m prize money Ashleigh Barty defeated Karolina Pliskova 7-6, 6-3 on Saturday to win her first Miami Open title and become the first Australian woman since 2013 to reach the top 10 in the world. After dominating the first-set tiebreak, Barty broke the big-serving Pliskova in a 12-minute game to open the second set.