US Open: Two big guns and two outsiders feature in the last four at Flushing Meadows
Saturday 7 September 2013 17:17, UK
Image:Novak Djokovic: Like Nadal, has one US Open title to his name
Attention switches back to the men on Saturday as Novak Djokovic takes on Stanislas Wawrinka while Rafa Nadal does battle with Richard Gasquet in the US Open semi-finals.
