Italian Sara Errani including the Madrid Open, the Italian Open and the French Open in 2012. She and Errani also made the finals of Miami and Melbourne in that year. Vinci lost her opening match at the London Olympics to Kim Clijsters, 1–6, 4–6. At the Canadian Open in Montreal, Vinci defeated Yanina Wickmayer 6–2, 3–6, 7–5, after coming back from a 1–5 and match point deficit in the third set. In the second round she crushed 11th seed, Ana Ivanovic, 6–0, 6–0 in 45 minutes. After she defeated the 6th seed Angelique Kerber with the result of 6–2, 7–6, but she was beaten in the quarterfinals by the Czech Lucie Šafářová in straight sets. Two weeks later Vinci defeated Jelena Janković 7–5, 6–3 to win her seventh WTA title at the Texas Tennis Open without losing a set in the entire tournament. At the US Open, Vinci started her journey by defeating Urszula Radwańska, 6–1, 6–1, and followed that victory up with a second round victory over Yaroslava Shvedova. In the third round, she defeated the 13th seed, Dominika Cibulková. In the fourth round, she defeated Agnieszka Radwańska in straight sets to advance to her first Grand Slam quarterfinal. She lost in the quarterfinals to her doubles partner Errani, 6–2, 6–4. Vinci partnered Errani for the US Open. They were seeded No. 2, behind the defending champions Liezel Huber and Lisa Raymond. Errani and Vinci reached the final, defeating Czechs Andrea Hlaváčková and Lucie Hradecká for the title. Following the US Open, Vinci travelled to Asia for the Pan Pacific Open. She made it to the third round where she lost to top seed Victoria Azarenka. At Beijing, she lost her opener to qualifier Lourdes Domínguez Lino. As a result of her doubles success alongside Sara Errani, they qualified for the WTA Championships for the first time. However, they lost to Russians Nadia Petrova and Maria Kirilenko in the semifinals. Vinci once again qualified for the Tournament of Champions. In the round robin stage, she recorded wins over Hsieh Su-wei and Daniela Hantuchová and had a loss to Caroline Wozniacki. She advanced to the semifinals where she lost to second seed and eventual champion Petrova. Vinci ended 2012 in top 20 for the first time at No. 16 and No. 1 in for the first time also doubles ahead of her partner Errani. 2013 Vinci began 2013 by losing