Thursday's order of play at the U.S. Open

NEW YORK (Reuters) - Thursday's order of play on the show courts on day four of the U.S. Open:

(prefix denotes seeding):

ARTHUR ASHE STADIUM (Play begins 11 a.m.)

7-Vera Zvonareva (Russia) v Sabine Lisicki (Germany)

Not before 1 p.m.

1-Caroline Wozniacki (Denmark) v Chang Kai-Chen (Taiwan)

2-Roger Federer (Switzerland) v Andreas Beck (Germany)

Not before 7 p.m.

14-Maria Sharapova (Russia) v Iveta Benesova (Czech Republic)

3-Novak Djokovic (Serbia) v Philipp Petzschner (Germany)

LOUIS ARMSTRONG STADIUM (Play begins 11 a.m.)

19-Mardy Fish (U.S.) v Pablo Cuevas (Uruguay)

11-Svetlana Kuznetsova (Russia) v Anastasija Sevastova (Latvia)

4-Jelena Jankovic (Serbia) v Mirjana Lucic (Croatia)

Peter Polansky (Canada) v James Blake (U.S.)

GRANDSTAND COURT (Play begins 11 a.m.)

18-Aravane Rezai (France) v Beatrice Capra (U.S.)

6-Nikolay Davydenko (Russia) v Richard Gasquet (France)

5-Robin Soderling (Sweden) v Taylor Dent (U.S.)

Bethanie Mattek-Sands (U.S.) v Andrea Petkovic (Germany

(Compiled by Julian Linden; Editing by Frank Pingue)