Live text - Wawrinka v Youzhny
Stanislas Wawrinka and Mikhail Youzhny battle for a US Open semi-final spot, with Rafael Nadal and Fernando Verdasco in action later.
Defeat ends Robson's junior run
Britain's Laura Robson is knocked out of the junior US Open quarter-finals following a straight sets defeat by unseeded American Robin Anderson.
Brilliant Federer powers past Soderling
Five-time champion Roger Federer produces a stunning display to beat Robin Soderling and reach the semi-finals of the US Open.
Wozniacki battles into semi-final
Top seed Caroline Wozniacki remains on track for a first Grand Slam title after beating Slovakia's Dominika Cibulkova in the US Open quarter-finals.
Djokovic beats below-par Monfils
Novak Djokovic makes short work of Gael Monfils to reach the semi-finals of the US Open for the fourth year running.
Clijsters through to face Venus
Kim Clijsters and Venus Williams with their quarter-final matches to set up a semi-final at the US Open.
Robson reaches last 16 in juniors
Laura Robson eases into the last 16 of the girls' singles at the US Open after a straight-sets win.
US Open day nine as it happened
Rafael Nadal beats Feliciano Lopez in the US Open night session after Kim Clijsters and Venus Williams reach the semi-finals.
Federer cruises into last eight
Roger Federer continues his smooth progress through the US Open draw with a straight-sets win over Jurgen Melzer in round four.
Wozniacki too good for Sharapova
Top seed Caroline Wozniacki beats former champion Maria Sharapova to reach the quarter-finals of the US Open.
Classy Robson eases into last 32
Britain's Laura Robson cruises into the next round ofthe junior US Open after a 6-2 6-1 win over Anna Karolina Schmiedlova.
US Open day eight as it happened
Roger Federer beats Jurgen Melzer in the US Open night session after Caroline Wozniacki sees off Maria Sharapova.
Murray baffled by US Open defeat
Andy Murray is at a loss to explain the physical problems behind his surprise defeat by Stanislas Wawrinka in the third round of the US Open.
Dominant Nadal surges past Simon
Top seed Rafael Nadal eases into the US Open fourth round with a 6-4 6-4 6-2 victory over Gilles Simon after wins for Fernando Verdasco and Sam Querrey.
