Chip wrote:if she happens to win the Australian Open and then loses every other match she has this year will she still be in the top 20?
Again, it depends on how well others do. It's 2000 points for a win, and she already has 31 points from this year plus R1 exits in most tournaments still earn you a point (at Grand Slams it's 5 points) so she could end up with something around 2050, give or take a couple.
Looking at the rankings at the moment, that's enough for a Top #25-#30.