| Singles | |
|---|---|
| 2012 Barcelona Ladies Open | |
| Champion | |
| Runner-up | |
| Final score | 6–2, 6–2 |
Roberta Vinci was the defending champion, but lost in the second round to Simona Halep 6–1, 6–3. Sara Errani won the tournament, beating Dominika Cibulková 6–2, 6–2 in the final.
| Semifinals | Final | ||||||||||||
| | 1 | 1 | |||||||||||
| 3 | | 6 | 6 | ||||||||||
| 3 | | 2 | 2 | ||||||||||
| 7 | | 6 | 6 | ||||||||||
| | 1 | 2 | |||||||||||
| 7 | | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/WC | | 4 | 3 | ||||||||||||||||||||||||
| | 6 | 6 | | 77 | 66 | 6 | |||||||||||||||||||||
| | 6 | 6 | | 64 | 78 | 2 | |||||||||||||||||||||
| | 1 | 2 | | 6 | 1 | 3 | |||||||||||||||||||||
| | 1 | 2 | | 2 | 6 | 6 | |||||||||||||||||||||
| | 6 | 6 | | 6 | 3 | 1 | |||||||||||||||||||||
| | 6 | 0 | | 1 | 6 | 6 | |||||||||||||||||||||
| 8 | | 4 | 0r | | 1 | 1 | |||||||||||||||||||||
| 3 | | 6 | 6 | 3 | | 6 | 6 | ||||||||||||||||||||
| | 0 | 3 | 3 | | 5 | 6 | 6 | ||||||||||||||||||||
| Q | | 3 | 4 | | 7 | 4 | 4 | ||||||||||||||||||||
| | 6 | 6 | 3 | | 3 | 6 | 6 | ||||||||||||||||||||
| Q | | 6 | 77 | Q | | 6 | 0 | 0 | |||||||||||||||||||
| | 3 | 64 | Q | | 6 | 65 | 6 | ||||||||||||||||||||
| | 0 | 4 | 5/WC | | 2 | 77 | 4 | ||||||||||||||||||||
| 5/WC | | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | | 6 | 5 | 7 | |||||||||||||||||||||||
| | 1 | 7 | 5 | 6 | | 2 | 4 | ||||||||||||||||||||
| Q | | 3 | 1 | | 6 | 6 | |||||||||||||||||||||
| | 6 | 6 | | 6 | 6 | ||||||||||||||||||||||
| | 6 | 6 | | 4 | 1 | ||||||||||||||||||||||
| | 4 | 4 | | 6 | 6 | ||||||||||||||||||||||
| | 6 | 1 | 1 | 4 | | 1 | 3 | ||||||||||||||||||||
| 4 | | 1 | 6 | 6 | | 1 | 2 | ||||||||||||||||||||
| 7 | | 77 | 6 | 7 | | 6 | 6 | ||||||||||||||||||||
| | 65 | 4 | 7 | | 6 | 6 | |||||||||||||||||||||
| LL | | 6 | 7 | LL | | 0 | 2 | ||||||||||||||||||||
| | 2 | 5 | 7 | | 6 | 6 | |||||||||||||||||||||
| WC | | 6 | 6 | 2 | | 2 | 3 | ||||||||||||||||||||
| WC | | 3 | 3 | WC | | 5 | 7 | 2 | |||||||||||||||||||
| Q | | 4 | 0 | 2 | | 7 | 5 | 6 | |||||||||||||||||||
| 2 | | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 1 | | 4 | 1 | |||||||||||||||||
| | 6 | 6 | ||||||||||||||||||
| | 6 | 1 | 3 | |||||||||||||||||
| | 3 | 6 | 6 | |||||||||||||||||
| | 6 | 4 | 0 | |||||||||||||||||
| | 3 | 6 | 6 | |||||||||||||||||
| | 2 | 2 | ||||||||||||||||||
| | 6 | 6 | ||||||||||||||||||
| | 66 | 6 | 6 | |||||||||||||||||
| | 78 | 2 | 2 | |||||||||||||||||
| | 6 | 0 | ||||||||||||||||||
| 7 | | 1 | 0r | |||||||||||||||||
| | 4 | 4 | ||||||||||||||||||
| 7 | | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 2 | | 3 | 0 | |||||||||||||||||
| | 6 | 6 | ||||||||||||||||||
| | 7 | 6 | ||||||||||||||||||
| | 5 | 2 | ||||||||||||||||||
| WC | | 3 | 6 | 1 | ||||||||||||||||
| | 6 | 3 | 6 | |||||||||||||||||
| | 6 | 6 | ||||||||||||||||||
| 6 | | 3 | 2 | |||||||||||||||||
| | 4 | 0 | ||||||||||||||||||
| | 6 | 6 | ||||||||||||||||||
| | 3 | 1 | ||||||||||||||||||
| 6 | | 6 | 6 | |||||||||||||||||
| | 3 | 63 | ||||||||||||||||||
| 6 | | 6 | 77 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 3 | | 2 | 6 | 6 | ||||||||||||||||
| WC | | 6 | 3 | 4 | ||||||||||||||||
| 3 | | 3 | 77 | 7 | ||||||||||||||||
| WC | | 6 | 61 | 5 | ||||||||||||||||
| | 6 | 1 | 64 | |||||||||||||||||
| WC | | 4 | 6 | 77 | ||||||||||||||||
| 3 | | 77 | 6 | |||||||||||||||||
| 8 | | 63 | 1 | |||||||||||||||||
| | 3 | 6 | 6 | |||||||||||||||||
| | 6 | 0 | 2 | |||||||||||||||||
| | 6 | 4 | 3 | |||||||||||||||||
| 8 | | 4 | 6 | 6 | ||||||||||||||||
| | 2 | 2 | ||||||||||||||||||
| 8 | | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 4 | | 6 | 6 | |||||||||||||||||
| | 3 | 3 | ||||||||||||||||||
| 4 | | 6 | 61 | 6 | ||||||||||||||||
| | 3 | 77 | 2 | |||||||||||||||||
| | 6 | 7 | ||||||||||||||||||
| | 2 | 5 | ||||||||||||||||||
| 4 | | 64 | 6 | 60 | ||||||||||||||||
| | 77 | 4 | 77 | |||||||||||||||||
| WC | | 3 | 5 | |||||||||||||||||
| | 6 | 7 | ||||||||||||||||||
| | 3 | 0 | ||||||||||||||||||
| | 6 | 6 | ||||||||||||||||||
| | 6 | 6 | ||||||||||||||||||
| 5 | | 0 | 4 | |||||||||||||||||
Flavia Pennetta was the defending champion but withdrew due to a torn shoulder muscle.
Victoria Azarenka won in the final against Irina-Camelia Begu, 6–3, 6–2.
Li Na was the defending champion, but chose not to compete after winning the French Open singles title the previous week.
Petra Kvitová was the defending champion, but she chose not to participate this year.
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.
Roberta Vinci was the defending champion, but lost to Kirsten Flipkens in the quarterfinals.
Eighth-seeded Nadia Petrova won the title, defeating Urszula Radwańska 6–4, 6–3, in the final.
Serena Williams was the defending champion, but chose not to compete this year.
Agnieszka Radwańska was the defending champion, but lost to Nadia Petrova in the final, 6–0, 1–6, 6–3.
Angelique Kerber was the defending champion, but she decided not to participate this year.
Victoria Azarenka was the defending champion, but withdrew before her quarterfinal match against Caroline Wozniacki.
Agnieszka Radwańska was the defending champion, but lost 6–0, 6–3 in the semifinals to the eventual champion Serena Williams.
Maria Sharapova was the two-time defending champion, but withdrew in the quarterfinals due to illness.
Serena Williams successfully defended her title by defeating Maria Sharapova in the final, 6–1, 6–4.
Petra Kvitová was the defending champion, but she was defeated in the final by Simona Halep 6–2, 6–2.
Nadia Petrova was the defending champion, but withdrew with a left hip injury before the tournament began.
Victoria Azarenka was the two-time defending champion, but withdrew before the tournament began because of a foot injury.
Maria Sharapova was the two-time defending champion, and successfully defended her title, defeating Ana Ivanovic in the final, 3–6, 6–4, 6–1.
Dominika Cibulková was the defending champion, but she chose not to defend her title.
Petra Kvitová was the defending champion, but lost in the third round to Daria Gavrilova.
Belinda Bencic was the defending champion, but lost in the second round to Elena Vesnina.
Sara Errani was the defending champion, but withdrew before the tournament due to an adductor problem.