See main article: 2014 Mutua Madrid Open.
Maria Sharapova defeated Simona Halep in the final, 1–6, 6–2, 6–3 to win the women's singles tennis title at the 2014 Madrid Open.
Serena Williams was the two-time defending champion, but withdrew before her quarterfinal match because of a left thigh injury.[1]
See also: 1 and 1. 
Serena Williams (quarterfinals, withdrew because of a left thigh injury)
See also: 2 and 4. 
Li Na (quarterfinals)
See also: 3 and 3. 
Agnieszka Radwańska (semifinals)
See also: 4 and 2. 
Simona Halep (final)
See also: 5 and 1. 
Petra Kvitová (semifinals)
See also: 6 and 2. 
Jelena Janković (second round)
See also: 7 and 3. Angelique Kerber (first round, retired because of a lower back injury)
See also: 8 and 4. 
Maria Sharapova (champion)
See also: 9 and 4. 
Dominika Cibulková (first round)
See also: 10 and 3. 
Sara Errani (third round)
See also: 11 and 2. Ana Ivanovic (quarterfinals)
See also: 12 and 1. Flavia Pennetta (first round)
See also: 13 and 3. Caroline Wozniacki (second round)
See also: 14 and 1. 
Carla Suárez Navarro (third round)
See also: 15 and 2. Sabine Lisicki (third round)
See also: 16 and 4. Sloane Stephens (third round)
Caroline Garcia (qualified) Jana Čepelová (qualifying competition) Camila Giorgi (qualifying competition) Vania King (first round) Karolína Plíšková (qualified)
Yaroslava Shvedova (first round)
Paula Ormaechea (first round) Urszula Radwańska (first round) Alexandra Cadanțu (first round, retired) Virginie Razzano (first round)
Patricia Mayr-Achleitner (qualifying competition, retired) Monica Niculescu (qualified) Caroline Garcia Monica Niculescu Petra Cetkovská Karolína Plíšková
Mariana Duque Mariño Kristina Mladenovic