Klára Koukalová is a Czech former professional tennis player. She was born and still lives in Prague. Having turned professional in 1999, she reached a career-high singles ranking of world No. 20, on 15 April 2013. In doubles, she reached a career-high ranking of 31, on 19 May 2014. Koukalová won three WTA singles titles and four doubles titles during her career.

The 2009 French Open was a tennis tournament played on outdoor clay courts. It was the 113th edition of the French Open, and the second Grand Slam event of the year. It took place at the Stade Roland Garros in Paris, France, from May 24 through June 7, 2009.