Agnieszka Radwańska defeated Maria Sharapova in the final, 7–5, 6–4 to win the women's singles tennis title at the 2012 Miami Open. It was her second Premier Mandatory title and first Miami Masters title. Radwańska did not drop a set during the tournament.
Grace Min was the defending champion, having won the event in 2012, but chose not to defend her title.
Magdaléna Rybáriková was the defending champion, and she successfully defended her title, defeating Andrea Petkovic in the final, 6–4, 7–6(7–2). This was Rybáriková's final WTA singles title before her retirement in 2020.
This was the doubles event in a professional tennis tournament in Monterrey, Mexico.
Indy de Vroome was the defending champion, having won the event in 2013, however she chose to participate in Makinohara instead.
Gabriela Dabrowski and Allie Will were the defending champions, however Will chose not to participate. Dabrowski partnered Anna Tatishvili and successfully defended her title, they defeated Asia Muhammad and Maria Sanchez in the final, 6–3, 6–3.
Kurumi Nara was the defending champion, but chose to compete in Dubai instead.
Andrea Gámiz and Valeria Savinykh were the defending champions, however Gámiz chose not to participate. Savinykh partnered Xenia Knoll, but lost in the first round.
Ana Ivanovic was the defending champion, but lost in the second round to Michelle Larcher de Brito.
Serena Williams was the defending champion, but withdrew due to an elbow injury.
Defending champion Serena Williams defeated Simona Halep in the final, 6–3, 7–6(7–5) to win the women's singles tennis title at the 2015 Cincinnati Masters.
Venus Williams won the singles tennis title at the 2015 Wuhan Open after Garbiñe Muguruza retired in the final, with the scoreline at 6–3, 3–0. Williams saved a match point en route to the title, in the semifinals against Roberta Vinci.
Garbiñe Muguruza defeated Timea Bacsinszky in the final, 7–5, 6–4 to win the women's singles tennis title at the 2015 China Open. It was her first WTA Premier Mandatory level-tournament and second WTA Tour title overall, and she became the first Spanish player to win a Premier Mandatory tournament.
Petra Martić and Maria Sanchez were the defending champions, but Martić chose not to participate. Sanchez partnered Elise Mertens, but lost in the semifinals to Verónica Cepede Royg and Marina Melnikova.
Gabriela Dabrowski and Alicja Rosolska were the defending champions, but Dabrowski chose not to participate this year. Rosolska played alongside Anastasia Rodionova, but lost in the first round to Petra Martić and Maria Sanchez.
Anabel Medina Garrigues and Arantxa Parra Santonja won the title, defeating Martić and Sanchez in the final, 4–6, 7–5, [10–7].
Teliana Pereira was the defending champion, but lost in the first round to Catalina Pella.
Belinda Bencic was the defending champion, but lost in the second round to Elena Vesnina.
Simona Halep defeated Madison Keys in the final, 7–6(7–2), 6–3 to win the women's singles tennis title at the 2016 Canadian Open.
Donna Vekić was the defending champion, but lost in the semifinals to Johanna Konta in a rematch of the previous year's final.
This was the first edition of the tournament.
Petra Martić 
Maria Sanchez 
Kateryna Bondarenko 
Valeria Savinykh 
