Maria Sharapova has lost her top WTA ranking to Lindsay Davenport, the fresh WTA charts revealed Monday. She has not retained second place either, ousted by Belgium’s Kim Clijsters, and is now ranked third.<br /> <br /> Davenport, 29, assured herself of the No. 1 ranking when she beat Daniela Hantuchova of Slovakia in the second round of the Zurich Open Thursday and then went on to win it by beating Switzerland’s Patty Schnyder Sunday.Meanwhile, two other Russian players have both kept their places in the top ten: Elena Dementieva, ranked 8th, and Nadia Petrova, 10th.