CẬP NHẬT Kết quả đơn nữ Mỹ mở rộng 2019, ngày 28/8
Katie Volynets 0-2 Bianca Andreescu (2/6, 4/6)
Xiyu Wang 1-2 Kirsten Flipkens (6/3, 2/6, 2/6)
Kaia Kanepi 3-2 Tatjana Maria (5/7, 7/6, 6/3)
Danielle Collins 3-0 Polona Hercog (6/3, 4/6, 6/4)
Pauline Parmentier 0-2 Anastasia Pavlyuchenkova (1/6, 6/7)
Anett Kontaveit 2-0 Sara Sorribes (6/1, 6/1)
Taylor Townsend 2-1 Kateryna Kozlova (3/6, 6/3, 6/2)
Simona Halep 2-1 Nicole Gibbs (6/3, 3/6, 6/2)
Caroline Wozniacki 2-1 Yafan Wang (1/6, 7/5, 6/3)
Ajla Tomljanovic 2-1 Marie Bouzkova (1/6, 7/5, 6/1)
Elise Mertens 2-0 Jil Teichmann (6/2, 6/2)
Timea Babos - Carla Suarez Navarro (bỏ cuộc)
Kristie Ahn 2-0 Svetlana Kuznetsova (7/5, 6/2)
Sorana Cirstea 2-0 Katerina Siniakova (7/5, 6/2)
Kristyna Pliskova 2-0 Diane Parry (6/4, 6/3)
Aliona Bolsova 2-1 Barbora Strycova (6/3, 0/6, 6/1)
Richel Hogenkamp 0-2 Donna Vekic (6/7, 3/6)
Aryna Sabalenka 2-1 Victoria Azarenka (3/6, 6/3, 6/4)
Yulia Putintseva 2-0 Madison Brengle (6/3, 6/3)