Yan Zi is a retired mainland Chinese-Hong Kong tennis player.
Virginia Ruano Pascual and Paola Suárez were the two-time defending champions, but they were defeated in the second round by Anna Chakvetadze and Elena Vesnina.
Cara Black and Liezel Huber were the defending champions, but did not play together. Black partnered with Rennae Stubbs and Huber partnered with Martina Navratilova but both pairs lost to Yan Zi and Zheng Jie, in the semifinals and quarterfinals respectively.
Maria Sharapova defeated Justine Henin-Hardenne in the final, 6–4, 6–4 to win the women's singles tennis title at the 2006 US Open. It was her second major title. She lost just one set during the tournament. By reaching the final, Henin-Hardenne became the eighth woman to reach all four major finals in a calendar year.
Yan Zi and Zheng Jie were the defending champions but lost in the semifinals to Chan Yung-jan and Chuang Chia-jung
Cara Black and Liezel Huber won the title, defeating Chan Yung-jan and Chuang Chia-jung in the final 6–4, 6–74, 6–1
Yan Zi and Zheng Jie were the defending champions but Zheng did not compete. Yan partnered with Peng Shuai but lost in the quarterfinals to Alicia Molik and Mara Santangelo.
Twelfth-seeded Yan Zi and Zheng Jie defeated first-seeded Lisa Raymond and Samantha Stosur, 2–6, 7–6 (7), 6–3 to win the women's doubles title at the 2006 Australian Open.
Cara Black and Liezel Huber were the defending champions, but lost in the quarterfinals to sisters Alona Bondarenko and Kateryna Bondarenko.
Martina Hingis and Maria Kirilenko were the defending champions, but Hingis retired on November 1, 2007, and Kirilenko teamed up with Ágnes Szávay.
Lisa Raymond and Samantha Stosur were the defending champions, but Stosur chose not to participate, and only Raymond competed that year.
Raymond partnered with Maria Kirilenko, but lost in the first round to Daniela Hantuchová and Ai Sugiyama.
Defending champion Venus Williams defeated her sister Serena Williams in the final, 7–5, 6–4 to win the ladies' singles tennis title at the 2008 Wimbledon Championships. It was her fifth Wimbledon title and seventh major singles title overall. She won the title without losing a set, the second time she did so at a major. The sisters also won the doubles title playing together.
Cara Black and Liezel Huber were the defending champions, and won in the final, 6–3, 6–3, over Maria Kirilenko and Agnieszka Radwańska.
Defending champions Serena and Venus Williams defeated Samantha Stosur and Rennae Stubbs in the final, 7–6(7–4), 6–4 to win the ladies' doubles tennis title at the 2009 Wimbledon Championships. It was their fourth Wimbledon title together and ninth major title together overall. As in the previous year, the Williams sisters won the title without losing a set during the tournament. Also as in the previous year, the two contested the singles final as well, with Serena emerging victorious. It was also the first component in an eventual non-calendar-year Grand Slam for the sisters.
Defending champions Serena and Venus Williams defeated Cara Black and Liezel Huber in the final, 6–4, 6–3 to win the women's doubles tennis title at the 2010 Australian Open. It was the Williams sisters' fourth Australian Open doubles title together, and eleventh major title together overall. It was also the third component of an eventual non-calendar-year Grand Slam.
Vania King and Yaroslava Shvedova defeated Elena Vesnina and Vera Zvonareva in the final, 7–6(8–6), 6–2 to win the ladies' doubles tennis title at the 2010 Wimbledon Championships.
Serena Williams and Venus Williams were the defending champions. However, Serena withdrew from the tournament because of a foot injury and Venus chose to participate in the singles event only. Vania King and Yaroslava Shvedova defeated Liezel Huber and Nadia Petrova 2–6, 6–4, 7–6(7–4) in the final. This match was played over two days due to heavy rainfall on September 12.
Zheng Jie is a retired Chinese tennis player. In May 2009, she achieved a career-high singles ranking of world No. 15.
Li Ting and Sun Tiantian were the defending champions, but decided not to defend their title together.
Liezel Huber and Sania Mirza were the defending champions, but only Mirza chose to participate that year. She paired up with Shikha Uberoi but lost in the quarterfinals to Yan Zi and Zheng Jie.
The doubles Tournament at the 2006 Qatar Telecom German Open took place between May 5 and May 13 on the outdoor clay courts of the Rot-Weiss Tennis Club in Berlin, Germany. Yan Zi and Zheng Jie won the title, defeating Elena Dementieva and Flavia Pennetta in the final.
Yan Zi 
Ana Ivanovic 
Maria Kirilenko 
