| Singles | |
|---|---|
| 2015 Bank of the West Classic | |
| Champion |  Angelique Kerber |
| Runner-up |  Karolína Plíšková |
| Score | 6–3, 5–7, 6–4 |
| Draw | 28 |
| Seeds | 8 |
Serena Williams was the defending champion, but withdrew due to an elbow injury.
Angelique Kerber won the title, defeating Karolína Plíšková in the final, 6–3, 5–7, 6–4.
The top four seeds received a bye into the second round.
Caroline Wozniacki (second round)
Agnieszka Radwańska (quarterfinals)
Carla Suárez Navarro (second round) Karolína Plíšková (final) Angelique Kerber (champion) Andrea Petkovic (second round)
Madison Keys (second round)
Elina Svitolina (semifinals)| Semifinals | Final | ||||||||||||
| Varvara Lepchenko | 2 | 5 | |||||||||||
| 4 | Karolína Plíšková | 6 | 7 | ||||||||||
| 4 | Karolína Plíšková | 3 | 7 | 4 | |||||||||
| 5 | Angelique Kerber | 6 | 5 | 6 | |||||||||
| 8 | Elina Svitolina | 3 | 1 | ||||||||||
| 5 | Angelique Kerber | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/WC | C Wozniacki | 4 | 2 | ||||||||||||||||||||||||
 M Lučić-Baroni | 6 | 2 | 64 | V Lepchenko | 6 | 6 | |||||||||||||||||||||
| V Lepchenko | 3 | 6 | 77 | V Lepchenko | 63 | 6 | 6 | ||||||||||||||||||||
| M Barthel | 6 | 6 | M Barthel | 77 | 2 | 3 | |||||||||||||||||||||
| WC |  C Zhao | 3 | 0 | M Barthel | 5 | 6 | 77 | ||||||||||||||||||||
| C Witthöft | 7 | 1 | 3 | 6 | A Petkovic | 7 | 2 | 64 | |||||||||||||||||||
| 6 | A Petkovic | 5 | 6 | 6 | V Lepchenko | 2 | 5 | ||||||||||||||||||||
| 4 | Ka Plíšková | 6 | 7 | ||||||||||||||||||||||||
| 4 | Ka Plíšková | 7 | 6 | ||||||||||||||||||||||||
| Q |  K Date-Krumm | 1 | 77 | 6 | Q | K Date-Krumm | 5 | 2 | |||||||||||||||||||
| S Lisicki | 6 | 64 | 2 | 4 | Ka Plíšková | 6 | 6 | ||||||||||||||||||||
 V Diatchenko | 6 | 0 | 0 | A Tomljanović | 2 | 4 | |||||||||||||||||||||
| A Tomljanović | 3 | 6 | 6 | A Tomljanović | 1 | 6 | 6 | ||||||||||||||||||||
 A Krunić | 3 | 0 | 7 | M Keys | 6 | 4 | 1 | ||||||||||||||||||||
| 7 | M Keys | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | E Svitolina | 4 | 6 | 7 | |||||||||||||||||||||||
| Q | K Bondarenko | 6 | 4 | 5 | 8 | E Svitolina | 6 | 77 | |||||||||||||||||||
 C Garcia | 4 | 5 | Q | N Gibbs | 3 | 65 | |||||||||||||||||||||
| Q | N Gibbs | 6 | 7 | 8 | E Svitolina | 4 | 7 | 6 | |||||||||||||||||||
| A Riske | 6 | 5 | 6 | A Riske | 6 | 5 | 1 | ||||||||||||||||||||
| T Maria | 2 | 7 | 1 | A Riske | 6 | 6 | |||||||||||||||||||||
| 3 | C Suárez Navarro | 4 | 4 | ||||||||||||||||||||||||
| 8 | E Svitolina | 3 | 1 | ||||||||||||||||||||||||
| 5 | A Kerber | 6 | 6 | 5 | A Kerber | 6 | 6 | ||||||||||||||||||||
| D Gavrilova | 1 | 3 | 5 | A Kerber | 6 | 6 | |||||||||||||||||||||
 S Zheng | 3 | 4 | A Konjuh | 4 | 3 | ||||||||||||||||||||||
| A Konjuh | 6 | 6 | 5 | A Kerber | 4 | 6 | 6 | ||||||||||||||||||||
| Q | M Doi | 6 | 77 | 2/WC | A Radwańska | 6 | 4 | 4 | |||||||||||||||||||
| WC | C Bellis | 3 | 63 | Q | M Doi | 6 | 2 | 0 | |||||||||||||||||||
| 2/WC | A Radwańska | 1 | 6 | 6 | |||||||||||||||||||||||
Misaki Doi (qualified) Kateryna Bondarenko (qualified) Sachia Vickery (first round) Anna Tatishvili (qualifying competition) Nicole Gibbs (qualified) Petra Martić (qualifying competition) Naomi Osaka (first round) Maria Sanchez (first round)| First round | Qualifying competition | ||||||||||||
| 1 | Misaki Doi | 6 | 77 | ||||||||||
| Xu Yifan | 3 | 63 | |||||||||||
| 1 | Misaki Doi | 2 | 6 | 6 | |||||||||
| Julia Boserup | 6 | 3 | 4 | ||||||||||
| Julia Boserup | 4 | 7 | 6 | ||||||||||
| 8 | Maria Sanchez | 6 | 5 | 2 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Kateryna Bondarenko | 6 | 6 | ||||||||||
| WC | Caroline Doyle | 0 | 0 | ||||||||||
| 2 | Kateryna Bondarenko | 6 | 3 | 6 | |||||||||
| 6 | Petra Martić | 3 | 6 | 3 | |||||||||
| Jessica Pegula | 78 | 4 | 69 | ||||||||||
| 6 | Petra Martić | 66 | 6 | 711 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Sachia Vickery | 2 | 4 | ||||||||||
| Gabriela Dabrowski | 6 | 6 | |||||||||||
| Gabriela Dabrowski | 4 | 1 | |||||||||||
| Kimiko Date-Krumm | 6 | 6 | |||||||||||
| Kimiko Date-Krumm | 63 | 6 | 6 | ||||||||||
| 7 | Naomi Osaka | 77 | 4 | 3 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Anna Tatishvili | 5 | 6 | 6 | |||||||||
 Chan Yung-jan | 7 | 4 | 0 | ||||||||||
| 4 | Anna Tatishvili | 6 | 3 | 5 | |||||||||
| 5 | Nicole Gibbs | 2 | 6 | 7 | |||||||||
| WC | Taylor Davidson | 0 | 2 | ||||||||||
| 5 | Nicole Gibbs | 6 | 6 | ||||||||||
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.
Eugenie Bouchard was the defending champion, but chose not to participate this year.
Ana Ivanovic was the defending champion, but lost in the second round to Michelle Larcher de Brito.
Ana Ivanovic was the defending champion, but she lost in the quarterfinals to Dominika Cibulková.
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.
Carla Suárez Navarro defeated Jeļena Ostapenko in the final, 1–6, 6–4, 6–4 to win the singles tennis title at the 2016 WTA Qatar Open.
Victoria Azarenka defeated Serena Williams in the final, 6–4, 6–4 to win the women's singles tennis title at the 2016 Indian Wells Masters.
Simona Halep defeated Dominika Cibulková in the final, 6–2, 6–4 to win the women's singles tennis title at the 2016 Madrid Open.
Angelique Kerber was the defending champion, but she lost to Carla Suárez Navarro in the quarterfinals.
Belinda Bencic was the defending champion, but lost in the second round to Elena Vesnina.
Karolína Plíšková defeated Angelique Kerber in the final, 6–3, 6–1 to win the women's singles tennis title at the 2016 Cincinnati Masters. It was her sixth WTA Tour singles title.The two would play each other three weeks later, in the final of the US Open; Kerber would avenge her loss by beating Plíšková in three sets.
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.
Petra Kvitová defeated Dominika Cibulková in the final, 6–1, 6–1 to win the singles tennis title at the 2016 Wuhan Open. It was her second Wuhan Open title.
Agnieszka Radwańska defeated Johanna Konta in the final, 6–4, 6–2 to win the women's singles tennis title at the 2016 China Open.
Caroline Wozniacki was the defending champion and successfully defended her title, defeating Anastasia Pavlyuchenkova in the final, 6–0, 7–5. This marked Wozniacki's first title of 2017 and snapped a six-match losing streak in tournament finals.
Petra Kvitová defeated Garbiñe Muguruza in the final, 3–6, 6–3, 6–4 to win the singles tennis title at the 2018 WTA Qatar Open.
Karolína Plíšková was the defending champion, but lost in the quarterfinals to Aryna Sabalenka.
Bianca Andreescu defeated Angelique Kerber in the final, 6–4, 3–6, 6–4 to win the women's singles tennis title at the 2019 Indian Wells Open. It was her first WTA Tour title, and Andreescu became the first wildcard champion in the tournament's history, as well as the youngest champion since Serena Williams in 1999. This marked the second consecutive year where a player won the tournament as her first WTA Tour singles title.
Bianca Andreescu won the women's singles tennis title at the 2019 Canadian Open after Serena Williams retired in the final due to back spasms, with the scoreline at 3–1. Andreescu became the first Canadian to win the event since Faye Urban in 1969.
Naomi Osaka defeated Ashleigh Barty in the final, 3–6, 6–3, 6–2 to win the women's singles tennis title at the 2019 China Open. It was Osaka's second Premier Mandatory-level title.