China's Li Na became the highest seed to fall at this year's US Open when she suffered a shock 2-6 6-4 6-2 defeat to hard-hitting Ukrainian Kateryna Bondarenko on Tuesday.
Roger Federer served notice he was still a powerhouse at the US Open and punctuated his performance with another sensational shot for the ages in a first-round rout over Argentine Brian Dabul on Monday.
Andy Roddick celebrated his 28th birthday by romping past France's Stephane Robert 6-3 6-2 6-2 in his first-round match at the US Open on Monday.
Defending champion Kim Clijsters of Belgium overcame a second-set scare to defeat Greta Arn of Hungary 6-0 7-5 in the first round of the US Open Monday.
Robin Soderling avoided becoming the first big-name casualty of the US Open as the fifth seed secured a 7-5 6-3 6-7 5-7 6-4 first-round victory over Andreas Haider-Maurer on Monday.
Returning to the scene of her greatest triumphs, Kim Clijsters looked like any ordinary working mom when she strolled into Flushing Meadows on Saturday.
Tennis has moved out of the country club and turned into one of the fastest-growing sports in the United States as Americans looking for a cheap pastime in a bad economy have hit the courts.
Caroline Wozniacki of Denmark won the rain-delayed Rogers Cup on Monday, beating Vera Zvonareva 6-3, 6-2.
Roger Federer ended a seven-month title drought with a 6-7 7-6 6-4 win over American Mardy Fish in the final of the Cincinnati Masters on Sunday.
Roger Federer returned to winning ways on Sunday by claiming the Cincinnati Masters and announced himself once again as the man to beat at the U.S Open.
American Mardy Fish has put himself firmly among the challengers for the U.S. Open, his defeated opponent and compatriot Andy Roddick said on Saturday.