Ranking points disappeared and she tumbled down to a season - ending 32nd while she came into the tournament unranked at a grand slam for the first time since the 2007 U.S. Open .
A season - ending 32nd is her lowest position since 2006 .
Ranking points disappeared and she tumbled down to a season - ending 32nd , her lowest position since 2006 , while she came into the tournament unranked at a grand slam for the first time since the 2007 U.S. Open .