champion Samantha Stosur ended the run of 18 year old Briton Laura
Robson with a 6-4 6-4 win in the fourth round of the US Open on Sunday.
Seventh seeded Stosur advanced to a quarter final clash with an opponent
she has never beaten, World Number 1 Victoria Azarenka of Belarus, who
ousted Georgia's Anna Tatishvili 6-2, 6-2