By Adam Hollingworth
Andy Roddick, the last American man to win a grand slam event, has announced he's retiring after the US Open – the tournament he won way back in 2003.
The news came on a day when Venus Williams and Frenchman Jo-Wilfried Tsonga were the big name casualties.
When Roddick won the US Open at the tender age of 21, the world was at his feet.
But despite winning 32 career titles, that second slam has eluded him and on his 30th birthday he announced his retirement.
“Just with the way my body feels and with the way that I’m available to compete now I don't know that that is good enough,” he says.
Meanwhile Venus Williams' career seems to be on the wane despite taking part in a ding-dong battle with German rising star Angelique Kerber.
It took Williams until the 11th game to hold her serve, but she soon started playing like the seven-time champion she is to take the second set.
However just when it looked like the match was there for the taking, Kerber reeled her in.
Sister Serena overcame a wobble early in the second set to defeat Spain's Maria Jose Martinez Sanchez.
But Tsonga never looked hungry enough to win his match. After trading the first two sets with Tsonga, 52nd ranked Slovak Martin Klizan overpowered the fifth seed in four.
Roger Federer looks on course. He smashed Germany's Bjorn Phau in straight sets.
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