Vera Zvonareva

Vera Igorevna Zvonareva  pronounced   born September 7, 1984) is a professional tennis player from Russia. She was introduced to tennis at the age of six and turned professional in 2000.[2] Her career high is World No. 2 by the WTA, and she is currently ranked as the World No. 4.[3] Zvonareva has won twelve WTA Tour singles titles[3] and reached the finals of the 2008 WTA Tour Championships, 2010 Wimbledon Championships and 2010 US Open. She also was a bronze medalist at the 2008 Beijing Olympics.

Petra Kvitová

Country Czech Republic
Residence Fulnek, Czech Republic
Born 8 March 1990 (age 21)
Bílovec, Czechoslovakia
Height 1.83 m (6 ft 0 in)
Turned pro 2006
Plays Left-handed (two-handed backhand)
Career prize money US$ 4,415,923
Singles
Career record 186–92
Career titles 5 WTA, 7 ITF
Highest ranking No. 5 (3 October 2011)
Current ranking No. 5 (3 October 2011)[1]

Maria Sharapova

Maria Yuryevna Sharapova ,IPA:  (born April 19, 1987) is a Russian professional tennis player and a former World No. 1. A US resident since 1994,[4] Sharapova has won 24 WTA singles titles, including three Grand Slam singles titles at the 2004 Wimbledon, 2006 US Open and 2008 Australian Open. She has also won the year-end invitational WTA Tour Championships in 2004.
The Women's Tennis Association (WTA) has ranked Sharapova World No. 1 in singles on four separate occasions. She became the World No. 1 for the first time on Aug 22, 2005 and last regained this ranking for the fourth time on May 19, 2008. She is currently ranked World No. 2. She has been in 5 Grand Slam finals. Her Grand Slam final record is 3–2.