About Zheng Jie
Zheng Jie (born 5 July 1983) is a Chinese former professional tennis player. In May 2009, she achieved a career-high singles ranking of world No. 15. Zheng is one of China's most successful tennis players. She won four singles titles on the WTA Tour – Hobart in 2005, Estoril, Stockholm in 2006, and Auckland in 2012. She also won 15 career doubles titles, eleven of them with Yan Zi, including Wimbledon and the Australian Open in 2006. She won the bronze medal in doubles with Yan Zi at the 2008 Beijing Olympics. Her career-high doubles ranking is world No. 3. Zheng reached the singles semifinals at the 2008 Wimbledon Championships, where she defeated world No. 1, Ana Ivanovic, in the third round, and later went on to become the first Chinese player to advance to the semifinals at a major tournament. She also reached the semifinals of the 2010 Australian Open. At Wimbledon in 2008, she gained recognition when she became the first Chinese player ever to reach the semifinals of a Grand Slam singles tournament, defeating then-world No. 1, Ana Ivanovic, en route.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.