Top seed and defending champion Li Na
eased into the quarterfinals, while second-seeded Sara Errani was among
Wednesday's upset victims at the $500,000 Shenzhen Open tennis event, a
hardcourt Australian Open tune-up.

Four seeded women, including former
French Open runner-up Sara Errani, posted opening-round wins Monday at the
season-opening Shenzhen Open tennis event.

Novak Djokovic made quick work of
his first-round opponent and five-time champion Roger Federer moved on in
straights sets Tuesday at the U.S. Open.

World No. 1 superstar Novak
Djokovic and defending champion Andy Murray were second-round winners Friday,
while sixth-seeded Juan Martin del Potro was upended at the U.S. Open.

Former champions Serena Williams, Venus
Williams and Samantha Stosur were all winners Tuesday at the $740,000 Family
Circle Cup tennis event.

Former French Open champion Francesca Schiavone
was an opening-round upset victim Monday at the WTA's $2.168 million Western &
Southern Open.

Fresh off her big title in Miami, reigning
champion Serena Williams was an easy second-round winner Tuesday at the Family
Circle Cup tennis event.

Reigning champion Novak Djokovic and
former titlist Juan Martin del Potro were a pair of second-round winners on a
hot Friday at the U.S. Open.

American Andy Roddick still has some
gas left in the tank, posting a second-round victory Friday at the U.S. Open.

Two-time runner-up Svetlana Kuznetsova was
an easy first-round winner Wednesday at the $5.186 million BNP Paribas Open.

Former champion Maria
Sharapova was a hard-fought quarterfinal winner Wednesday at the U.S. Open.

World No. 1 star Novak
Djokovic, second seed Andy Murray and eight-time reigning champion Rafael
Nadal were a trio of second-round winners Wednesday at the $3.465 Monte Carlo
Masters, the third ATP Masters 1000 event of the year.

World No. 1 star Novak
Djokovic and eight-time reigning champion Rafael Nadal reached the
quarterfinals, while second seed Andy Murray was a third-round upset victim
Thursday at the $3.465 Monte Carlo Masters, the third ATP Masters...

Sara Errani enjoyed the best season of her
career in 2012, to the point where she was named the WTA's Most Improved
Player.

Czech Andrea Hlavackova and
Belarusian Max Mirnyi captured the mixed doubles championship Friday at the
2013 U.S. Open.