Nearly two days in, and the U.S. Open was lacking the headliner-type upset that many have come to expect from the season's final major tournament. But late Tuesday night, No. 8 Caroline Wozniacki dropped two quick sets to unranked Irina-Camelia Begu, 6-2, 6-2 to provide the tournament with its first surprise.
Wozniacki was searching for her first major title, but will have to wait until at least 2013 to grab her first. Wozniacki's early exit opens up her quarter of the draw for Serena Williams, who quickly dispatched of Coco Vandeweghe, 6-1, 6-1.
Serena joins her sister Venus in the second round at Flushing Meadow, as Venus topped fellow American Bethanie Mattek-Sands, 6-3, 6-1 on Arthur Ashe court on Tuesday.
On the men's side of the draw, Andy Roddick cruised past qualifier Rhyne Williams, 6-3, 6-4, 6-4 without having his serve broken. Other top ranked players, including Jo-Wilfried Tsonga and Tomas Berdych advanced as easily on the day.
For a complete list of results, be sure to check out the USOpen.org.