Tuesday's order of play on the show courts on day two of the US Open (prefix denotes seeding):
ARTHUR ASHE STADIUM (Play begins at 1500 GMT)
1-Ana Ivanovic (Serbia) v Vera Dushevina (Russia)
Vince Spadea (US) v Marat Safin (Russia)
4-Serena Williams (US) v Kateryna Bondarenko (Ukraine)
(Play starts at 2300 GMT)
Samantha Stosur (Australia) v 7-Venus Williams (US)
Maximo Gonzalez (Argentina) v Roger Federer (Switzerland)
LOUIS ARMSTRONG STADIUM (Play begins at 1500 GMT)
Kristie Haerim Ahn (US) v 6-Dinara Safina (Russia)
Tommy Haas (Germany) v 12-Richard Gasquet (France)
Mardy Fish (US) v Robert Smeets (Australia)
(Not before 1500GMT)
Nathalie Dechy v 32-Amelie Mauresmo (France)
GRANDSTAND (Play begins 1500GMT)
22-Tomas Berdych (Czech Republic) v Sam Querrey (US)
11-Daniela Hantuchova (Slovakia) v Anna-Lena Groeneveld (Germany)
15-Tommy Robredo (Spain) v Mischa Zverev (Germany) Marta Domachowska v Bethanie Mattek (US)