U.S. OPEN TENNIS ROUND ONE IN NEW YORK
Serena Williams has wardrobe issues during her second set against Angelique Kerber during Round 1 of the U.S. Open at the USTA Billie Jean King National Tennis Center in Flushing Meadows-Corona Park in New York on August 27, 2007. (UPI Photo/Laura Cavanaugh)
Sara Errani matches her career-high ranking with a move to sixth and Caroline Wozniacki also is up a spot in Monday's update of the women's tennis rankings.
World No. 1 Serena Williams needed to rally Friday to claim a quarterfinal win at the Mutua Madrid Open.
World No. 1 and defending champion Serena Williams dropped just two points on serve Thursday in grabbing a berth in the quarterfinals of the Mutua Madrid Open.
Ekaterina Makarova stunned world No. 3 Victoria Azarenka in three sets Wednesday in a second-round match at the Mutua Madrid Open.
Laura Robson posted a second-round upset of world No. 4 Agnieszka Radwanska in Monday's play at the Mutua Madrid Open.
Serena Williams puts her No. 1 ranking and Mutua Madrid Open title on the line this week.
Defending champ Serena Williams and Agnieszka Radwanska each advanced but Li Na fell Sunday in first-round action at the Madrid Open.
Maria Sharapova collected her 29th WTA title with a win in Germany that allowed her to keep close to No. 1 Serena Williams in the women's tennis rankings.
Top-seeded Maria Sharapova outdueled Angelique Kerber Saturday to reach the finals of the Porsche Tennis Grand Prix in Germany.
No. 1-seed Maria Sharapova was again pushed to a third set Friday before winning a berth in the semifinals at the Porsche Tennis Grand Prix in Germany.