| Singles | |
|---|---|
| 2013 Bank of the West Classic | |
| Champion |  Dominika Cibulková |
| Runner-up |  Agnieszka Radwańska |
| Score | 3–6, 6–4, 6–4 |
| Draw | 28 |
| Seeds | 8 |
Serena Williams was the two-time defending champion, but she decided not to participate this year.
Dominika Cibulková won the title, defeating Agnieszka Radwańska in the final, 3–6, 6–4, 6–4.
The top four seeds received a bye into the second round.
Agnieszka Radwańska (final)
Samantha Stosur (second round) Dominika Cibulková (champion)
Jamie Hampton (semifinals)
Sorana Cîrstea (semifinals) Varvara Lepchenko (quarterfinals) Urszula Radwańska (quarterfinals) Magdaléna Rybáriková (first round)| Semifinals | Final | ||||||||||||
| 1 | Agnieszka Radwańska | 6 | 6 | ||||||||||
| 4 | Jamie Hampton | 3 | 2 | ||||||||||
| 1 | Agnieszka Radwańska | 6 | 4 | 4 | |||||||||
| 3 | Dominika Cibulková | 3 | 6 | 6 | |||||||||
| 3 | Dominika Cibulková | 6 | 6 | ||||||||||
| 5 | Sorana Cîrstea | 4 | 0 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Radwańska | 6 | 6 | ||||||||||||||||||||||||
| M Burdette | 5 | 3 |  F Schiavone | 4 | 3 | ||||||||||||||||||||||
| F Schiavone | 7 | 6 | 1 | A Radwańska | 77 | 3 | 6 | ||||||||||||||||||||
| Q |  A Kudryavtseva | 1 | 77 | 0r | 6 | V Lepchenko | 62 | 6 | 3 | ||||||||||||||||||
 T Paszek | 6 | 64 | 3 | T Paszek | 4 | 4 | |||||||||||||||||||||
| Q |  M Larcher de Brito | 2 | 4 | 6 | V Lepchenko | 6 | 6 | ||||||||||||||||||||
| 6 | V Lepchenko | 6 | 6 | 1 | A Radwańska | 6 | 6 | ||||||||||||||||||||
| 4 | J Hampton | 3 | 2 | ||||||||||||||||||||||||
| 4 | J Hampton | 7 | 65 | 6 | |||||||||||||||||||||||
 K Bertens | 4 | 1 | WC | N Gibbs | 5 | 77 | 3 | ||||||||||||||||||||
| WC | N Gibbs | 6 | 6 | 4 | J Hampton | 6 | 6 | ||||||||||||||||||||
| Q | V Dushevina | 6 | 6 | Q | V Dushevina | 4 | 3 | ||||||||||||||||||||
 M Erakovic | 2 | 1 | Q | V Dushevina | 77 | 6 | |||||||||||||||||||||
| M Keys | 6 | 6 | M Keys | 60 | 2 | ||||||||||||||||||||||
| 8 | M Rybáriková | 2 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | U Radwańska | 6 | 6 | ||||||||||||||||||||||||
| C McHale | 1 | 3 | 7 | U Radwańska | 77 | 77 | |||||||||||||||||||||
 Y Wickmayer | 2 | 6 | 0 | D Hantuchová | 63 | 63 | |||||||||||||||||||||
| D Hantuchová | 6 | 4 | 6 | 7 | U Radwańska | 5 | 3 | ||||||||||||||||||||
 S Vögele | 6 | 6 | 3 | D Cibulková | 7 | 6 | |||||||||||||||||||||
| WC |  A Tomljanović | 4 | 0 | S Vögele | 5 | 65 | |||||||||||||||||||||
| 3 | D Cibulková | 7 | 77 | ||||||||||||||||||||||||
| 3 | D Cibulková | 6 | 6 | ||||||||||||||||||||||||
| 5 | S Cîrstea | 6 | 6 | 5 | S Cîrstea | 4 | 0 | ||||||||||||||||||||
 A Morita | 2 | 2 | 5 | S Cîrstea | 6 | 6 | |||||||||||||||||||||
| Q | C Vandeweghe | 6 | 6 | Q | C Vandeweghe | 3 | 3 | ||||||||||||||||||||
| M Niculescu | 0 | 3 | 5 | S Cîrstea | 6 | 6 | |||||||||||||||||||||
 J Görges | 62 | 2 |  O Govortsova | 3 | 2 | ||||||||||||||||||||||
| O Govortsova | 77 | 6 | O Govortsova | 6 | 6 | ||||||||||||||||||||||
| 2 | S Stosur | 2 | 4 | ||||||||||||||||||||||||
The top six seeds received a bye into the second round.
Olga Puchkova (qualifying competition) Michelle Larcher de Brito (qualified)
Sharon Fichman (qualifying competition) Alla Kudryavtseva (qualified) Vera Dushevina (qualified) Sacha Jones (qualifying competition) Gabriela Dabrowski (second round) Sachie Ishizu (second round)| First round | Second round | Qualifying competition | ||||||||||||||||||
| 1 | Olga Puchkova | 6 | 6 | |||||||||||||||||
 Petra Rampre | 2 | 6 | 6 | Petra Rampre | 2 | 1 | ||||||||||||||
| WC | Krista Hardebeck | 6 | 3 | 2 | 1 | Olga Puchkova | 4 | 4 | ||||||||||||
| Abigail Spears | 6 | 4 | 1 | 5 | Vera Dushevina | 6 | 6 | |||||||||||||
| WC | Kristie Ahn | 1 | 6 | 6 | WC | Kristie Ahn | 1 | 3 | ||||||||||||
| 5 | Vera Dushevina | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 2 | Michelle Larcher de Brito | 6 | 3 | 6 | ||||||||||||||||
| Julia Boserup | 6 | 6 | Julia Boserup | 3 | 6 | 3 | ||||||||||||||
| Alicja Rosolska | 0 | 2 | 2 | Michelle Larcher de Brito | 6 | 6 | ||||||||||||||
 Natalie Grandin | 7 | 6 | Natalie Grandin | 3 | 2 | |||||||||||||||
| Miki Miyamura | 5 | 4 | Natalie Grandin | 6 | 67 | 7 | ||||||||||||||
| WC | Stacey Tan | 1 | 3 | 8 | Sachie Ishizu | 4 | 79 | 5 | ||||||||||||
| 8 | Sachie Ishizu | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 3 | Sharon Fichman | 6 | 64 | 6 | ||||||||||||||||
| Asia Muhammad | 3 | 4 | WC | Alexandra Stevenson | 3 | 77 | 2 | |||||||||||||
| WC | Alexandra Stevenson | 6 | 6 | 3 | Sharon Fichman | 4 | 3 | |||||||||||||
| Raquel Kops-Jones | 4 | 1 | CoCo Vandeweghe | 6 | 6 | |||||||||||||||
| CoCo Vandeweghe | 6 | 6 | CoCo Vandeweghe | 6 | 6 | |||||||||||||||
| WC | Tori Kinard | 4 | 6 | 5 | 7 | Gabriela Dabrowski | 4 | 1 | ||||||||||||
| 7 | Gabriela Dabrowski | 6 | 2 | 7 | ||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 4 | Alla Kudryavtseva | 6 | 6 | |||||||||||||||||
| Sachia Vickery | 6 | 2 | 4 | Ivana Lisjak | 4 | 2 | ||||||||||||||
| Ivana Lisjak | 4 | 6 | 6 | 4 | Alla Kudryavtseva | 6 | 7 | |||||||||||||
| Jelena Pandžić | 5 | 2 | 6 | Sacha Jones | 2 | 5 | ||||||||||||||
| Allie Will | 7 | 6 | Allie Will | 4 | 1 | |||||||||||||||
| 6 | Sacha Jones | 6 | 6 | |||||||||||||||||
Victoria Azarenka defeated Samantha Stosur in the final, 6–1, 6–2 to win the singles tennis title at the 2012 WTA Qatar Open.
Victoria Azarenka defeated Maria Sharapova in the final, 6–2, 6–3 to win the women's singles tennis title at the 2012 Indian Wells Masters.
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.
Serena Williams defeated Victoria Azarenka in the final, 6–1, 6–3 to win the women's singles tennis title at the 2012 Madrid Open. It was Azarenka's second consecutive runner-up finish at the event.
Defending champion Maria Sharapova defeated Li Na in the final, 4–6, 6–4, 7–6(7–5) to win the women's singles tennis title at the 2012 Italian Open. She came back from a set and a double break deficit in the second set of the final, and saved a championship point in the third set.
Sabine Lisicki was the defending champion but was defeated in the second round by Urszula Radwańska.
Agnieszka Radwańska was the defending champion but chose not to compete.
Dominika Cibulková defeated her close friend Marion Bartoli 6–1, 7–5 in the final to win the tournament.
Petra Kvitová defeated Li Na in the final, 7–5, 2–6, 6–3 to win the women's singles tennis title at the 2012 Canadian Open.
Caroline Wozniacki was the four-time defending champion. She retired in the semifinals against Maria Kirilenko.
Defending champion Victoria Azarenka defeated Serena Williams in the final, 7–6(8–6), 2–6, 6–3 to win the singles tennis title at the 2013 WTA Qatar Open.
Maria Sharapova defeated Caroline Wozniacki in the final, 6–2, 6–2 to win the women's singles tennis title at the 2013 Indian Wells Masters. It was her second Indian Wells Masters title, and she did not drop a set during the tournament.
Melanie Oudin was the defending champion, but lost in the first round to Ajla Tomljanović.
Simona Halep defeated Angelique Kerber in the final, 6–2, 6–3 to win the singles tennis title at the 2014 WTA Qatar Open.
Flavia Pennetta defeated Agnieszka Radwańska in the final, 6–2, 6–1 to win the women's singles tennis title at the 2014 Indian Wells Masters.
Serena Williams was the two-time defending champion, but lost in the second round to Jana Čepelová, ending her 15-match winning streak at this tournament, and her 28-match winning streak on clay.
Serena Williams defeated Angelique Kerber in the final, 7–6(7–1), 6–3 to win the singles tennis title at the 2014 Bank of the West Classic.
Agnieszka Radwańska defeated Venus Williams in the final, 6–4, 6–2 to win the women's singles tennis title at the 2014 Canadian Open.
Simona Halep defeated Karolína Plíšková in the final, 6–4, 7–6(7–4) to win the women's singles tennis title at the 2015 Dubai Tennis Championships.
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.
Agnieszka Radwańska was the defending champion, but lost in the semifinals to Daria Gavrilova.