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.
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.
Vera Zvonareva defeated the defending champion Ana Ivanovic in the final, 7–6(7–5), 6–2 to win the women's singles tennis title at the 2009 Indian Wells Masters. The match was a rematch of the previous year's quarterfinal.
Sara Errani was the defending champion, but Flavia Pennetta defeated her in the final 6-1, 6-2.
Serena Williams and Venus Williams were the defending champions from 2010; however, they were unable to defend their title because of Serena's foot injury, sustained in the middle of the 2010 season.
Maria Kirilenko and Nadia Petrova were the defending champions, but only Kirilenko tried to defend her title.
She partnered with Victoria Azarenka but they lost in semifinals against Gisela Dulko and Flavia Pennetta.
Dulko and Pennetta eventually won in the final against Sara Errani and María José Martínez Sánchez, 6–3, 2–6, [10–6].
Serena Williams and Venus Williams were the defending champions, but both withdrew from the tournament with a pulmonary embolism and a hip injury, respectively.
Svetlana Kuznetsova was the defending champion, but withdrew due to a groin strain.
Agnieszka Radwańska won the title, defeating Vera Zvonareva 6–3, 6–4 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.
Gisela Dulko was the defending champion, but withdrew due to gastrointestinal illness.
Sara Errani won the title, defeating Flavia Pennetta 5–7, 7–6(7–2), 6–0 in the final.
Maria Sharapova defeated Sara Errani in the final, 6–3, 6–2 to win the women's singles tennis title at the 2012 French Open. It was her first French Open title, and she completed the career Grand Slam with the win. It was Sharapova's first major title since the 2008 Australian Open, and her first since a shoulder surgery that threatened to end her career four years prior. She lost only one set during the tournament, to Klára Zakopalová in the fourth round. Sharapova regained the world No. 1 ranking with the win; Victoria Azarenka and Agnieszka Radwańska were also in contention for the top spot.
Andrea Hlaváčková and Lucie Hradecká were the defending champions, but lost in the semifinals to Maria Kirilenko and Nadia Petrova.
Serena and Venus Williams defeated Andrea Hlaváčková and Lucie Hradecká in the final, 7–5, 6–4 to win the ladies' doubles tennis title at the 2012 Wimbledon Championships. It was the Williams sisters' fifth Wimbledon title together, and their 13th major doubles title together overall.
Liezel Huber and Lisa Raymond were the defending champions but lost to Nadia Petrova and Katarina Srebotnik in the semifinals 6–4, 6–4.
Klaudia Jans-Ignacik and Kristina Mladenovic won the title by defeating Nadia Petrova and Katarina Srebotnik 7–5, 2–6, [10–7] in the final.
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.
Sara Errani and Roberta Vinci were the defending champions and successfully defended their title, defeating Ekaterina Makarova and Elena Vesnina in the final, 6–4, 3–6, 7–5.
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 and Roberta Vinci were the defending champions, but Errani chose not to participate this year. Vinci played alongside Karin Knapp, but lost in the third round to Casey Dellacqua and Yaroslava Shvedova.
Flavia Pennetta defeated Roberta Vinci in the final, 7–6(7–4), 6–2 to win the women's singles tennis title at the 2015 US Open. It was her first major singles title, and she became the first woman to win her maiden major title after turning 30 years old. Pennetta was competing in her 49th major main draw, setting a new record for the most appearances in major main draws before reaching a final. This also marked Pennetta's last major appearance, as she retired from the sport at the end of the 2015 season. Vinci became the first unseeded woman to reach a major final since Justine Henin at the 2010 Australian Open. The final made Italy the fifth country in the Open Era to have two countrywomen contest a major final. This also marked the first final with two first-time major finalists since the 2010 French Open.
Lucie Šafářová was the defending champion, but did not compete this year.
Svetlana Kuznetsova 
Sara Errani 
