Rain has forced the USTA to cancel both the day and night sessions of the U.S. Open on Tuesday.
Among the matches scheduled were American Donald Young against No. 4 Andy Murray and another American, No. 28 John Isner, against No. 12 Gilles Simon of France. Second-seeded players Rafael Nadal and Vera Zvonareva were also scheduled to play on Tuesday.
Play will resume Wednesday.