Svetlana Kuznetsova's poor play in Miami cost her to go down two spots in WTA Tour Singles Rankings (from 3rd to 5th). Two players own her a favor for their higher ranking – Amelie Mauresmo returns to the top three, while Kim Clijsters jumps to the 4th place. Russia still has a representative in the 10th place, but this time a different one – Anna Chakvetadze replaced Elena Dementieva. There's one person who seems to have an enormous determination to return to the prestigious top ten and that is Serena Williams. This week she has jumped from number 18 to number 11.