Dechy , seeded No . 19 , had never been past the fourth round in a Grand Slam event , but after upsetting the French Open champion Anastasia Myskina , she defeated Patty Schnyder of Switzerland , 7-5 , 1-6 , 7-5 , on Margaret Court Arena while Davenport and Molik traded big shots and service breaks on the much bigger stage of Rod Laver Arena .