María José Martínez Sánchez is a Spanish former professional tennis player. In singles, she won five WTA Tour singles titles, her biggest being a Premier 5 title at the 2010 Italian Open where she defeated two former world No. 1 players, Ana Ivanovic and Jelena Janković, en route to the title. As a junior, she won the Orange Bowl and French Open. She reached her career high ranking in singles of world No. 19 on 10 May 2010.
Serena and Venus Williams defeated Daniela Hantuchová and Ai Sugiyama in the final, 6–3, 6–3 to win the women's doubles tennis title at the 2009 Australian Open. It was their third Australian Open doubles title together and eighth major title together overall.
Serena and Venus Williams defeated the defending champions Cara Black and Liezel Huber in the final, 6–2, 6–2 to win the women's doubles tennis title at the 2009 US Open. It was their second US Open title together and tenth major title together overall. It was the second component in an eventual non-calendar-year Grand Slam for the sisters.
Nuria Llagostera Vives and María José Martínez Sánchez are the defending champions.
Sara Errani and Roberta Vinci won in the final 6–1, 3–6, [10–2] against Timea Bacsinszky and Tathiana Garbin.
Vera Zvonareva was the two-time defending champion, but lost to Daniela Hantuchová in the semifinals.
Daniela Hantuchová won the title, defeating Sara Errani 6-0, 6-2 in the final.
Vania King and Yaroslava Shvedova were the defending champions and they reached the final. Liezel Huber and Lisa Raymond defeated them 4–6, 7–6(7–5), 7–6(7–3) to win the title.
Svetlana Kuznetsova and Vera Zvonareva defeated Sara Errani and Roberta Vinci in the final, 5–7, 6–4, 6–3 to win the women's doubles tennis title at the 2012 Australian Open.
2012 BNP Paribas Open – Women's doubles was a professional tennis tournament played at Indian Wells, California.
Andrea Hlaváčková and Lucie Hradecká were the defending champions, but lost in the semifinals to Maria Kirilenko and Nadia Petrova.
Serena Williams defeated Agnieszka Radwańska in the final, 6–1, 5–7, 6–2 to win the ladies' singles tennis title at the 2012 Wimbledon Championships. It was her fifth Wimbledon singles title and her 14th major singles title overall. Radwańska became the first Pole to reach a major singles final since Jadwiga Jędrzejowska in 1939, and the first in the Open Era.
Jürgen Melzer and Iveta Benešová were the defending champions, but after receiving a first-round bye, lost in the second round to Dominic Inglot and Laura Robson.
Vania King and Yaroslava Shvedova were the defending champions, but withdrew because of Shvedova's heat illness.
Andrea Hlaváčková and Lucie Hradecká won the title after defeating Katarina Srebotnik and Zheng Jie 6–1, 6–3 in the final.
Liezel Huber and Lisa Raymond were the defending champions but lost to Hsieh Su-wei and Anabel Medina Garrigues in the third round.
Květa Peschke and Katarina Srebotnik were the defending champions, but decided not to play together. Peschke partnered with Anna-Lena Grönefeld, but lost in the quarterfinals to Maria Kirilenko and Nadia Petrova. Srebotnik played alongside Zheng Jie, but lost in the semifinals to Nuria Llagostera Vives and Sania Mirza.
Third seeds Ekaterina Makarova and Elena Vesnina won the title, defeating Llagostera Vives and Mirza in the final by the score of 7–5, 7–5.
Liezel Huber and Lisa Raymond were the defending champions but decided not to participate together this year.
Huber played alongside Hsieh Su-wei, but lost to Daniela Hantuchová and Anabel Medina Garrigues in the first round while Raymond partnered up with Samantha Stosur, but lost to Raquel Kops-Jones and Abigail Spears in the quarterfinals.
Sara Errani and Roberta Vinci won the title, defeating Nadia Petrova and Katarina Srebotnik in the final 2–6, 6–3, [10–6].
Liezel Huber and Lisa Raymond were the defending champions but chose not to play together. Huber partnered up with María José Martínez Sánchez, but lost in the first round to Daniela Hantuchová and Anabel Medina Garrigues, whilst Raymond played alongside Samantha Stosur, but lost in the second round to Kimiko Date-Krumm and Casey Dellacqua.
Sara Errani and Roberta Vinci were the defending champions, but lost in the final to Ekaterina Makarova and Elena Vesnina 5–7, 2–6.
Klaudia Jans-Ignacik and Kristina Mladenovic were the defending champions, but Jans-Ignacik could not participate on account of becoming a mother in early 2013. Mladenovic played alongside Galina Voskoboeva, but lost in the first round to Julia Görges and Barbora Záhlavová-Strýcová.
Sara Errani and Roberta Vinci were the defending champions, but lost to Serena and Venus Williams in the quarterfinals.
Andrea Hlaváčková and Lucie Hradecká won the title, defeating Ashleigh Barty and Casey Dellacqua in the final, 6–7(4–7), 6–1, 6–4.
Bethanie Mattek-Sands and Lucie Šafářová defeated Chan Yung-jan and Zheng Jie in the final, 6–4, 7–6(7–5), to win the women's doubles tennis title at the 2015 Australian Open. Mattek-Sands and Šafářová were playing for the first time as a team in a tournament and each won their first Grand Slam women's doubles title. The victory made them the first new pairing to win the women's doubles tournament at the Australian Open since 2005, as well as the first to win a Grand Slam women's doubles title since the 2007 US Open. After defeating five seeded pairings en route to the win, they became the first unseeded women's doubles duo to clinch the title at the Australian Open since 2012.
Sara Errani 
Ashleigh Barty 
