Third-seeded Anastasia Myskina , the French Open champion , lost to Nathalie Dechy of France , 6-4 , 6-2 , and No . 6 Elena Dementieva , a finalist last year in the French and United States Opens , was beaten by Patty Schnyder of Switzerland , 6-7 ( 6 ) , 7-6 ( 4 ) 6-2 .