Former champion Maria Sharapova and last year's runner-up Vera Zvonareva were opening-day winners, while Wimbledon champion Petra Kvitova came up a first-round upset victim Monday at the 2011 U.S. Open.
Heavy French favorite Jo- Wilfried Tsonga was a second-round winner Tuesday at the $3.465 Monte Carlo Masters, the third ATP Masters 1000 event of the season.
Seeded sluggers Marin Cilic and Milos Raonic posted opening-round victories, while Frenchman Gilles Simon went by way of the upset Monday at the $3.465 Monte Carlo Masters, the third ATP Masters 1000 event of the season.
Former U.S. Open champion Juan Martin del Potro and heavy French favorites Jo-Wilfried Tsonga and Richard Gasquet were a trio of second-round winners Tuesday at the $3.465 Monte Carlo Masters, the third ATP Masters 1000 event of the season.
World No. 1 star Novak Djokovic and eight-time reigning champion Rafael Nadal were a pair of second- round winners Wednesday at the $3.465 Monte Carlo Masters, the third ATP Masters 1000 event of the year.
Victoria Azarenka got past Daniela Hantuchova, and former top-10 star Flavia Pennetta secured a berth in her first-ever Grand Slam semifinal with a big win Wednesday at the U.S. Open.
World No. 1 superstar Novak Djokovic and defending champion Andy Murray waltzed over their respective opponents on Sunday and into the fourth round of the U.S. Open.
Italian veteran Roberta Vinci secured a berth in her second straight U.S. Open quarterfinal with a straight- set victory on a rainy Monday in New York.
Two-time champion Novak Djokovic, two-time runner-up Roger Federer and reigning titlist Rafael Nadal were among Thursday's third-round winners at the $3.475 million Italian Masters tennis event.
Ninth seed Angelique Kerber of Germany rallied to win her first-round match and American Venus Williams breezed into the second round Monday at the $2.369 million Western & Southern Open tennis event.
If the U.S. Open can produce a 1-versus-2 women's final in two weeks, then top-ranked Serena Williams would meet former No. 1 Victoria Azarenka in a rematch of last year's blockbuster championship match.