Ana Ivanovic is a Serbian tennis player ranked No. 1 in the world in 2008. As of April 7, 2014, she is no. 12 in the Women's Tennis Association rankings for singles. She beat Dinara Safina to win the 2008 French Open and was the runner-up in singles at the 2007 French Open and the 2008 Australian Open, has qualified for the annual WTA Tour Championships twice and has won the year-end WTA Tournament of Champions twice, in 2010 and 2011. Competing as a professional since 2003, she has won 13 WTA Tour singles titles, including one Grand Slam singles title. As of 2013, Ivanovic has career earnings of over 11 million US$. In June 2011, she was named one of the "30 Legends of Women's Tennis: Past, Present and Future" by Time, and was also included on the list of Top 100 Greatest Players Ever by reporter Matthew Cronin. Her first breakthrough came at the 2004 Zurich Open, where she qualified and narrowly was beaten by Venus Williams in the second round in two tiebreak sets. By the age of 18 Ivanovic had already defeated established players, such as Svetlana Kuznetsova, Nadia Petrova, Vera Zvonareva, and Amélie Mauresmo. She also has defeated many other past and present top players including Maria Sharapova, Venus Williams, Serena Williams, Dinara Safina, Martina Hingis, Jelena Janković, Agnieszka Radwańska, Caroline Wozniacki, Petra Kvitová, and Victoria Azarenka. When on form Ivanovic is known for her aggressive style of play and impressive forehand, described by Petrova as, "the best out there."