Nadia Petrova - Russia  

Currently ranked No. 20 in the world, Russia’s Nadia Petrova has 28 career WTA Tour titles, 19 of those as a doubles player.
She has been ranked as high as third in the world in both singles and doubles, achieving the singles rank on May 15, 2006, and the doubles rank on March 21, 2005. She has finished in the Top 10 twice, and in the Top 20 five more times.
She played her first two Tour main draws in 1998, and finished in the Top 100 for the first time in 1999.
She reached the third round of the Australian Open in 2000, and the second round at both Wimbledon and the US Open.
Her first Top 50 season came in 2001 when she reached the fourth round at the French Open and Wimbledon. She also won two Tour doubles titles.
Her 2002 season was filled with injury, and she dropped as low as No. 169 in the world, but fought back to finish 111th. She returned strong in 2003, finishing in the top 20 for the first time and reaching the semifinals at the French Open, the third-lowest-ranked semifinalist in history at Roland Garros (No. 76). She reached the fourth round of the US Open and won another Tour doubles title.
After another Top 20 season in 2004, she finished 2005 in the Top 10, winning her first singles title at Linz and making four semifinals, including the French Open. She also made the quarterfinals at Wimbledon and the US Open.
In 2006, she won five Tour singles titles and finished in the Top 10 again, reaching a career high No. 3 after defeating Justine Henin in the final at Berlin.
In 2007, she won her seventh Tour singles title and again finished in the Top 20, but fell out of Top 10 for the first time in more than two years.
She made it seven straight Top 20 seasons in 2009, reaching the fourth round in the Australian and US Opens, and at Wimbledon. She began 2010 by reaching the quarterfinals of the Australian Open, defeating Kim Clijsters and Svetlana Kuznetsova before falling to Justine Henin. She also reached the quarterfinals at the French, defeating second-seeded Venus Williams along the way before falling to Elena Dementieva in three sets. Henin proved to be her nemesis again at Wimbledon, ousting her in straight sets in the third round.

Year-End Singles Rankings: 1997 - 589th; 1998 - 142nd; 1999 - 95th; 2000 - 62nd; 2001 - 38th; 2002 -111th; 2003 - 12th; 2004 - 12th; 2005 - 9th; 2006 - 6th; 2007 - 14th; 2008 - 11th; 2009 - 20th.

Personal
Is coached by Vladmimir Platenik. Spent part of her childhood training in Egypt. Her mother, Nadejda Iina, won the bronze medal at the 1976 Montreal Olympics in the 400 m relay, while her father was a top hammer thrower.