Rain once again delayed play at the US Open late last night and early this morning.

Andy Murray trails Donald Young by 2 games to 1 while Rafa Nadal and Andy Roddick are also suffering delays in their fourth round matches.

Nadal trails Giles Muller by 3 games to love while Roddick is 3-1 up on David Ferrer, both matches are locked in the first set.