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.

World No. 1 Novak Djokovic and five-
time champion Roger Federer were routine second-round winners Thursday at the
U.S. Open.

World No. 1 and defending champion
Caroline Wozniacki highlighted Tuesday's second-round winners, while U.S.
Open champion Samantha Stosur was an upset victim at the $2.05 million Pan
Pacific Open tennis event.

Americans Melanie Oudin and Bethanie
Mattek-Sands were both first-round winners in the opening day of the $4.5
million BNP Paribas Open.

Two-time runner-up Kim Clijsters, quality
Belarusian Victoria Azarenka and three-time Grand Slam champion Maria
Sharapova were a trio of first-round winners Tuesday at the 2011 French Open.

Top-seeded Roberta Vinci eased into
the quarterfinals, while second-seeded Russian Maria Kirilenko and defending
champion Anabel Medina Garrigues were second-round losers Wednesday at the
$220,000 Estoril Open tennis event.

Former champion Maria Sharapova and
Serena Williams were quarterfinal winners Wednesday at the U.S. Open.

French Open singles runner-up Sara
Errani and her fellow Italian Roberta Vinci have reached the women's doubles
final at the 2012 U.S. Open.

Slovakia's Dominika Cibulkova advanced, but
former Cincinnati champion Jelena Jankovic and ex-French Open titlist
Francesca Schiavone were opening-round upset victims Monday at the WTA's
$2.168 million Western & Southern Open.

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.

Three-time overall and two-time defending
champion Novak Djokovic will lead the charge into the 2013 Australian Open
when it commences next week in Melbourne.

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.

After enjoying an opening-round bye, former world
No. 1 and reigning Australian Open champion Victoria Azarenka was a second-
round winner Tuesday at the $2.369 million Western & Southern Open tennis
event.