Anne Keothavong is the first British women to play in the third round of the US Open for 17 years

But Olympic champion Elena Dementieva proves too strong for the Briton, winning 6-3 6-4

Jelena Jankovic remains on target to reach her first Grand Slam final after a straight-sets win over China's Zheng Jie

Zheng, sporting some smart trainers, saves four match points in an epic final game before losing 7-5 7-5

Denmark's Caroline Wozniacki earns a meeting with Jankovic after a 6-4 6-4 win over Victoria Azarenka

Tommy Haas, who knocked out Richard Gasquet in the first round, is the victim of an upset himself as he loses to Gilles Muller

Second seed Roger Federer faces Brazilian Thiago Alves in the third round and quickly wraps up the first set 6-3

World number two Federer never hits top gear but is still too strong for Alves, winning 6-3 7-5 6-4

Nikolay Davydenko remains on course to meet Federer in the quarter-finals after seeing off Agustin Calleri

Katerina Srebotnik causes a shock in the women's draw by knocking out third seed and former champ Svetlana Kuznetsova in three sets

Russian Kuznetsova waves goodbye to Flushing Meadows, where she reached the final last year

There is disappointment for Andy Murray as he and Ross Hutchins lose a close match against top seed Daniel Nestor and Nenad Zimonjic

American qualifier Robert Kendrick goes to ground as he attempts to get the better of Novak Djokovic

But third seed Djokovic comes through in straight sets to book a meeting with dangerous Croat Marin Cilic

Marat Safin, the 2000 champion, takes the first set against 15th seed Tommy Robredo before going down 4-6 7-6 6-4 6-0

American Lindsay Davenport loses to Marion Bartoli in what could be the 32-year-old's last match in New York