U.S. Open schedule for Tuesday, Aug. 26

Play begins at 11 a.m.

Arthur Ashe Stadium

Alison Riske, United States, vs. Ana Ivanovic (8), Serbia

Marcos Giron, United States, vs. John Isner (13), United States

Petra Kvitova (3), Czech Republic, vs. Kristina Mladenovic, France

Night session (7 p.m.)

Marinko Matosevic, Australia, vs. Roger Federer (2), Switzerland

Serena Williams (1), United States, vs. Taylor Townsend, United States

Louis Armstrong Stadium

Maximo Gonzalez, Argentina, vs. Sam Querrey, United States

Olga Govortsova, Belarus, vs. Eugenie Bouchard (7), Canada

Damir Dzumhur, Bosnia-Herzegovina, vs. David Ferrer (4), Spain

Jarmila Gajdosova, Australia, vs. Madison Keys (27), United States

Grandstand

Sam Stosur (24), Australia, vs. Lauren Davis, United States

Pablo Andujar, Spain, vs. Jack Sock, United States

Misaki Doi, Japan, vs. Victoria Azarenka (16), Belarus

Gael Monfils (20), France, vs. Jared Donaldson, United States

Court 17

Kei Nishikori (10), Japan, vs. Wayne Odesnik, United States

Denis Istomin, Uzbekistan, vs. Richard Gasquet (12), France

Grace Min, United States, vs. Ekaterina Makarova (17), Russia

Nicole Gibbs, United States, vs. Caroline Garcia, France