Los Angeles (AFP) - Torrential rain washed out all matches scheduled on Tuesday at the ATP US Men's Clay Court Championship in Houston, Texas.
Organisers said all remaining first-round singles matches would be completed on Wednesday (Thursday, Singapore time).
That incudes fifth-seeded Spaniard Fernando Verdasco taking on South African veteran Kevin Anderson, and sixth-seeded Feliciano Lopez taking on Bjorn Fratangelo.
First-round play got underway on Monday when 39-year-old German Tommy Haas outlasted 19-year-old American Reilly Opelka 7-6 (7-5), 4-6, 6-3.
Haas booked a second-round meeting with top-seeded American Jack Sock.
Defending champion Juan Monaco of Argentina was ousted on Monday, falling to German Dustin Brown 6-7 (7-9), 3-6.