About Katarina Srebotnik
Katarina Srebotnik (born 12 March 1981) is a Slovenian former professional tennis player. She reached a career-high singles ranking of world No. 20, on 7 August 2006. On 4 July 2011, she became the No. 1 of the WTA doubles rankings, holding this ranking for ten weeks. Srebotnik won four singles titles on the WTA Tour and was ranked inside the top 30 for several years. However, her best results have been in doubles draws, where she won 39 career titles, including a Grand Slam title at the 2011 Wimbledon Championships alongside Květa Peschke. She also won five major titles in mixed doubles, three at the French Open in 1999, 2006 and 2010; one at the US Open in 2003; and another at the Australian Open in 2011. In September 2021, Srebotnik was recognized by the Guinness World Records as the first and youngest tennis player, male or female, to win her first tournament in all three categories, singles, doubles and mixed doubles. Srebotnik won her debut in singles (1999 Oeiras); in doubles (1998 Makarska, with Tina Križan); and in mixed doubles (1999 Roland Garros, with Piet Norval).
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.