Second seed Serena Williams bludgeoned her way into the US Open quarter-finals with a straight-sets destruction of Daniela Hantuchova.

World number one Dinara Safina joined former champion Maria Sharapova as a third round casualty on a day of shocks at the US Open.

Andy Roddick became the first big-name seed to crash out of the US Open men’s singles as he lost a fifth-set tie-break to fellow American John Isner.

American teenager Melanie Oudin knocked out former champion Maria Sharapova to continue her amazing run at the US Open.

Fourth seed Novak Djokovic survived a scare at the hands of American qualifier Jesse Witten as he reached the US Open fourth round.

World number four Novak Djokovic was rewarded for his greater consistency as he claimed a 6-3 6-4 6-4 victory over Carsten Ball in the second round of the US Open at Flushing Meadows.

Fifth seed Andy Roddick cruised into the third round at the US Open with another late-night show of strength.

Women’s fourth seed Elena Dementieva became the first big-name casualty of the 2009 US Open when American teenager Melanie Oudin claimed another grand slam scalp today.

Top seed Dinara Safina came through another shaky match at the US Open to reach the third round with a win over Kristina Barrois.

Five-time champion Roger Federer held off a game challenge from Germany’s Simon Greul to set up a US Open third-round match with Lleyton Hewitt.

Novak Djokovic enjoyed a stroll into the second round of the US Open at the expense of Ivan Ljubicic at Arthur Ashe Stadium but insisted it was not as easy as it looked.

Andy Murray opened his US Open campaign with a solid victory over the inconsistent Ernests Gulbis at Flushing Meadows.

Third seed Venus Williams survived a major scare at Flushing Meadows as she came from a set down to beat Vera Dushevina on the first night at the 2009 US Open.

Andy Roddick showed no ill-effects from a late start at Flushing Meadows or his crushing Wimbledon final loss to Roger Federer as he blasted his way into the US Open second round in the early hours of Tuesday morning.

Former champion Kim Clijsters made a winning return to the US Open today after a three-year absence from Flushing Meadows.

Andy Murray is preparing for a long, tough campaign at the US Open and expecting a bumpy ride from a tough draw at Flushing Meadows.