Relief for top seed Ana Ivanovic after she comes through a three-set battle with Russian Vera Dushevina in the first round

Russian sixth seed Dinara Safina shows her displeasure - but she emerges a 6-3 6-4 winner over American Kristie Ahn

Safina's brother Marat is also in first-round action on day one but he faces a tough test against Vince Spadea

Spadea puts up a terrific fight before going out in five sets to 2000 champion Safin

American Sam Querrey gives the home crowd something to cheer with a 6-3 6-1 6-2 thrashing of 22nd seed Tomas Berdych

Big-hitting Chilean Fernando Gonzalez drops a set against unheralded Spaniard Ivan Navarro before going through in four

Former champion Serena Williams opens her US Open campaign against Kateryna Bondarenko, easing through 6-1 6-4

And it was a straightforward victory, too, for sister Venus, who defeated Australian Samantha Stosur 6-2 6-3

Roger Federer wasted little time making round two, taking just 82 minutes to beat Argentina's Maximo Gonzalez 6-3 6-0 6-3