Sunday's order of play on the show courts on day seven of the US Open (prefix denotes seeding):
ARTHUR ASHE STADIUM (Play begins at 1500 GMT)
21-Caroline Wozniacki (Denmark) v 2-Jelena Jankovic (Serbia)
28-Radek Stepanek (Czech Republic) v 2-Roger Federer (Switzerland)
8-Andy Roddick (U.S.) v 31-Andreas Seppi (Italy)
(Play starts at 2300 GMT)
5-Elena Dementieva (Russia) v Li Na (China)
30-Marin Cilic (Croatia) v 3-Novak Djokovic (Croatia)
LOUIS ARMSTRONG STADIUM (Play begins at 1500 GMT)
5-Nikolay Davydenko (Russia) v 26-Dmitry Tursunov (Russia)
29-Sybille Bammer (Austria) v 12-Marion Bartoli (France)
15-Tommy Robredo (Spain) v 19-Jo-Wilfried Tsonga (France)
Jarkko Nieminen (Finland) v 11-Fernando Gonzalez (Chile)
GRANDSTAND (Play begins 1500GMT)
18-Nicolas Almagro (Spain) v Gilles Muller (Luxembourg)
13-Fernando Verdasco (Spain) v 23-Igor Andreev (Russia)
15-Patty Schnyder (Switzerland) v 28-Katarina Srebotnik (Slovenia)