1 of 9
Swiss star Roger Federer eases into the fourth round of the US Open with a straight sets win over Fabrice Santoro

2 of 9
Maria Sharapova takes the upper hand against France's Mary Pierce and claims the opening set 6-4

3 of 9
Pierce's tennis is transformed as she takes the final two sets to earn a 4-6 6-2 6-3 win against the Wimbledon champion

4 of 9
Carlos Moya makes a return to Belgium's Oliver Rochus during their thrilling third round encounter at Flushing Meadows

5 of 9
Underdog Rochus pushes the third seed all the way and eventually wins a dramatic match 4-6 6-4 6-3 6-7 7-5

6 of 9
Andre Agassi celebrates after cruising to comprehensive 6-4 6-2 6-3 victory over the Czech Republic's Jiri Novak

7 of 9
Japan's Shinobu Asagoe hits a return in her two set victory over the 13th seed, Paola Suarez of Argentina

8 of 9
Tim Henman finds himself in trouble against Michal Tabara as he goes two sets to one down

9 of 9
But the battling fifth seed eventually comes through 4-6 6-3 5-7 6-4 6-3 to reach the fourth round