About Klára Koukalová
Klára Koukalová (formerly Zakopalová; born 24 February 1982) is a Czech former 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. == Career == === 2003–2009 === Koukalová made her Grand Slam debut at the 2003 Australian Open, defeating fellow qualifier and Grand Slam debutante Maria Sharapova in the first round, before going on to upset sixth-seed Monica Seles. Her run ended in the third round. She won her first two WTA singles titles in 2005, first at the Rosmalen Open, where she defeated Lucie Šafářová in the final, and then at the Slovenia Open, where she overcame Katarina Srebotnik in the championship match. In January 2006, she played comeback player Martina Hingis, at the WTA Tour tournament in Gold Coast, where she lost in the second round.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.