In 2011, world number-one Caroline Wozniacki defeated Elena Vesnina in the final 6–2, 6–3 to win the women's singles tennis title at that year's Charleston Open. Samantha Stosur was the defending champion, but lost to Vesnina in the third round.
Jarmila Gajdošová was the defending champion, but lost in the quarterfinals to Mona Barthel.
Li Na defeated Angelique Kerber in the final, 1–6, 6–3, 6–1 to win the women's singles tennis title at the 2012 Cincinnati Masters.
Sara Errani was the defending champion and she retained her title, beating Carla Suárez Navarro in the final, 6–0, 6–4.
Serena Williams defeated Sorana Cîrstea in the final, 6–2, 6–0 to win the women's singles tennis title at the 2013 Canadian Open. The victory gave Williams her third Canadian Open title, her eighth title of the season, and her 54th career WTA Tour title.
Victoria Azarenka defeated Serena Williams in the final, 2–6, 6–2, 7–6(8–6) to win the women's singles tennis title at the 2013 Cincinnati Masters. It was Azarenka's second win against Williams during the year, and Williams' fourth and last loss of the year.
Monica Niculescu was the defending champion, but retired in the quarterfinals against Carla Suárez Navarro.
Klára Zakopalová won the title, defeating Garbiñe Muguruza in the final, 4–6, 7–5, 6–0.
Serena Williams defeated Ana Ivanovic in the final, 6–4, 6–1 to win the women's singles tennis title at the 2014 Cincinnati Masters.
Two-time defending champion Serena Williams defeated Carla Suárez Navarro in the final, 6–2, 6–0 to win the women's singles tennis title at the 2015 Miami Open. It was her record-extending eighth Miami Open title.
Heather Watson was the defending champion, but lost to Polona Hercog in the first round.
Belinda Bencic won the women's singles tennis title at the 2015 Canadian Open after Simona Halep retired in the final, with scoreline at 7–6(7–5), 6–7(4–7), 3–0. Bencic defeated six major finalists in succession en route to her first WTA Tour title. At 18 years and 23 weeks of age, Bencic became the youngest woman to win the tournament, surpassing Ana Ivanovic's record from 2006.
Angelique Kerber was the defending champion, but retired in the semifinals against Sloane Stephens.
Irina-Camelia Begu was the defending champion, but lost in the second round to Jana Čepelová.
Simona Halep was the defending champion, but chose not to participate this year.
Elina Svitolina defeated Caroline Wozniacki in the final, 6–4, 6–0 to win the women's singles tennis title at the 2017 Canadian Open. It was her third consecutive Premier 5 title, making her the first woman to win the first three Premier 5 tournaments in a season, as well as the first to win three consecutive Premier 5 tournaments since Wozniacki won Montreal and Tokyo in 2010 and Dubai in 2011. This was also Wozniacki's sixth consecutive loss in a final in 2017, making her the first to lose that many finals in a row in one season, as well as the first woman to lose six finals in a single season since Maria Sharapova in 2012.
Aryna Sabalenka defeated Ashleigh Barty in the final, 6–0, 3–6, 6–4 to win the women's singles tennis title at the 2021 Madrid Open. It was her 10th career WTA Tour singles title, and her first on clay.
Irina-Camelia Begu defeated Lucia Bronzetti in the final, 6–2, 6–2 to win the singles tennis title at the 2022 Internazionali Femminili di Palermo. It was her fifth career WTA Tour singles title, her first since 2017. Bronzetti was contesting her first career singles final.
Caroline Garcia defeated Ana Bogdan in the final, 6–4, 6–1 to win the singles tennis title at the 2022 WTA Poland Open.
Mayar Sherif defeated Maria Sakkari in the final, 7–5, 6–3 to win the women's singles tennis title at the 2022 Emilia-Romagna Open. It was her maiden WTA Tour title, and Sherif became the first Egyptian to win a WTA Tour singles title.
Sharon Fichman (first round)
Coco Vandeweghe (first round)
Johanna Konta (second round)
Anna-Lena Friedsam (first round)
Katarzyna Piter (qualified)
Maryna Zanevska (first round)
Kristýna Plíšková (second round)
Vera Dushevina (qualifying competition)
Anna Tatishvili (qualified)
Claire Feuerstein (qualifying competition)
Irina-Camelia Begu (qualified)
Sofia Arvidsson (first round)
Maria João Koehler (first round)
Sesil Karatantcheva (first round)
An-Sophie Mestach (second round)
