Olga Puchkova, Russia, vs. Maria Sharapova (2), Russia

Chang Kai-chen, Taiwan, vs. Sam Stosur (9), Australia

Novak Djokovic (1), Serbia, vs. Paul-Henri Mathieu, France

Lleyton Hewitt, Australia, vs. Janko Tipsarevic (8), Serbia

Ana Ivanovic (13), Serbia, vs. Melinda Czink, Hungary

Venus Williams (25), United States, vs. Galina Voskoboeva, Kazakhstan

David Goffin, Belgium, vs. Fernando Verdasco (22), Spain

Dominika Cibulkova (15), Slovakia, vs. Ashleigh Barty, Australia

Not before 1 a.m. EST Monday: David Ferrer (4), Spain, vs. Olivier Rochus, Belgium

Li Na (6), China, vs. Sesil Karatantcheva, Kazakhstan

Bojana Bobusic, Australia, vs. Agnieszka Radwanska (4), Poland

Mikhail Youzhny (23), Russia, vs. Matthew Ebden, Australia

Casey Dellacqua, Australia, vs. Madison Keys, United States

Albert Ramos, Spain, vs. Marcos Baghdatis (28), Cyprus

Julia Goerges (18), Germany, vs. Vera Dushevina, Russia

Michael Russell, United States, vs. Tomas Berdych (5), Czech Republic

Angelique Kerber (5), Germany, vs. Elina Svitolina, Ukraine

Juan Monaco (11), Argentina, vs. Andrey Kuznetsov, Russia

Nicolas Almagro (10), Spain, vs. Steve Johnson, United States

Johanna Larsson, Sweden, vs. Jelena Jankovic (22), Serbia

Anabel Medina Garrigues, Spain, vs. Marion Bartoli (11), France

John Millman, Australia, vs. Tatsuma Ito, Japan