| Singles | |
|---|---|
| 2016 Monterrey Open | |
| Champion |  Heather Watson |
| Runner-up |  Kirsten Flipkens |
| Score | 3–6, 6–2, 6–3 |
| Draw | 32 |
| Seeds | 8 |
Timea Bacsinszky was the defending champion, but chose not to participate this year.
Heather Watson won the title, defeating Kirsten Flipkens in the final, 3–6, 6–2, 6–3.
Sara Errani (second round)
Caroline Wozniacki (quarterfinals)
Anastasia Pavlyuchenkova (first round) Johanna Konta (quarterfinals)
Caroline Garcia (semifinals) Alison Van Uytvanck (second round)
Danka Kovinić (first round)
Tímea Babos (first round)| Semifinals | Final | ||||||||||||
 Anett Kontaveit | 66 | 4 | |||||||||||
| Kirsten Flipkens | 78 | 6 | |||||||||||
| Kirsten Flipkens | 6 | 2 | 3 | ||||||||||
| Heather Watson | 3 | 6 | 6 | ||||||||||
| 5 | Caroline Garcia | 1 | 2 | ||||||||||
| Heather Watson | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Errani | 6 | 3 | 6 | |||||||||||||||||||||||
 M Rybáriková | 1 | 6 | 4 | 1 | S Errani | 1 | 3 | ||||||||||||||||||||
| D Cibulková | 4 | 4 | A Kontaveit | 6 | 6 | ||||||||||||||||||||||
| A Kontaveit | 6 | 6 | A Kontaveit | 6 | 6 | ||||||||||||||||||||||
 C McHale | 6 | 6 | Q | N Gibbs | 1 | 4 | |||||||||||||||||||||
| WC |  V Rodríguez | 0 | 4 | C McHale | 65 | 77 | 0r | ||||||||||||||||||||
| Q | N Gibbs | 7 | 6 | Q | N Gibbs | 77 | 64 | 3 | |||||||||||||||||||
| 7 | D Kovinić | 5 | 2 | A Kontaveit | 66 | 4 | |||||||||||||||||||||
| 4 | J Konta | 6 | 6 | K Flipkens | 78 | 6 | |||||||||||||||||||||
 M Duque Mariño | 3 | 3 | 4 | J Konta | 78 | 77 | |||||||||||||||||||||
| Y Wickmayer | 6 | 4 | 6 | Y Wickmayer | 66 | 64 | |||||||||||||||||||||
 J Larsson | 2 | 6 | 1 | 4 | J Konta | 3 | 77 | 1 | |||||||||||||||||||
| WC | F Schiavone | 3 | 65 | K Flipkens | 6 | 62 | 6 | ||||||||||||||||||||
| K Flipkens | 6 | 77 | K Flipkens | 6 | 4 | 6 | |||||||||||||||||||||
| I Falconi | 4 | 2 | 6 | A Van Uytvanck | 2 | 6 | 3 | ||||||||||||||||||||
| 6 | A Van Uytvanck | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | C Garcia | 6 | 6 | ||||||||||||||||||||||||
| Q |  P Martić | 3 | 4 | 5 | C Garcia | 6 | 6 | ||||||||||||||||||||
| Q |  J Glushko | 6 | 6 | Q | J Glushko | 1 | 2 | ||||||||||||||||||||
 A Dulgheru | 1 | 1 | 5 | C Garcia | 7 | 6 | |||||||||||||||||||||
| WC | M Zacarías | 2 | 5 | Q | P Parmentier | 5 | 2 | ||||||||||||||||||||
 M Puig | 6 | 7 | M Puig | 3 | 4 | ||||||||||||||||||||||
| Q | P Parmentier | 6 | 6 | Q | P Parmentier | 6 | 6 | ||||||||||||||||||||
| 3 | A Pavlyuchenkova | 2 | 2 | 5 | C Garcia | 1 | 2 | ||||||||||||||||||||
| 8 | T Babos | 3 | 2 | H Watson | 6 | 6 | |||||||||||||||||||||
 P Hercog | 6 | 6 | P Hercog | 2 | 3 | ||||||||||||||||||||||
| H Watson | 6 | 60 | 6 | H Watson | 6 | 6 | |||||||||||||||||||||
 M Doi | 4 | 77 | 3 | H Watson | 7 | 6 | |||||||||||||||||||||
 T Maria | 5 | 4 | 2 | C Wozniacki | 5 | 4 | |||||||||||||||||||||
| M Lučić-Baroni | 7 | 6 | M Lučić-Baroni | 4 | 4 | ||||||||||||||||||||||
 O Govortsova | 1 | 2 | 2 | C Wozniacki | 6 | 6 | |||||||||||||||||||||
| 2 | C Wozniacki | 6 | 6 | ||||||||||||||||||||||||
Lauren Davis (qualifying competition) Nicole Gibbs (qualified)
Lourdes Domínguez Lino (second round)
Kiki Bertens (qualifying competition) Samantha Crawford (second round) Anna Tatishvili (qualifying competition) Pauline Parmentier (qualified)
Han Xinyun (second round)| First round | Second round | Qualifying competition | ||||||||||||||||||
| 1 | Lauren Davis | 4 | 77 | 6 | ||||||||||||||||
| Louisa Chirico | 6 | 64 | 1 | |||||||||||||||||
| 1 | Lauren Davis | 6 | 6 | |||||||||||||||||
| Alla Kudryavtseva | 2 | 4 | ||||||||||||||||||
| Rebecca Peterson | 3 | 5 | ||||||||||||||||||
| Alla Kudryavtseva | 6 | 7 | ||||||||||||||||||
| 1 | Lauren Davis | 4 | 6 | 1 | ||||||||||||||||
| Petra Martić | 6 | 3 | 6 | |||||||||||||||||
| Petra Martić | 6 | 6 | ||||||||||||||||||
| WC |  Galina Voskoboeva | 2 | 4 | |||||||||||||||||
| Petra Martić | 7 | 6 | ||||||||||||||||||
| 5 | Samantha Crawford | 5 | 2 | |||||||||||||||||
| An-Sophie Mestach | 5 | 7 | 0 | |||||||||||||||||
| 5 | Samantha Crawford | 7 | 5 | 6 | ||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 2 | Nicole Gibbs | 6 | 6 | |||||||||||||||||
| WC | Renata Zarazúa | 1 | 1 | |||||||||||||||||
| 2 | Nicole Gibbs | 6 | 6 | |||||||||||||||||
 Mandy Minella | 3 | 1 | ||||||||||||||||||
| Mandy Minella | 6 | 6 | ||||||||||||||||||
| WC | Ana Sofía Sánchez | 1 | 3 | |||||||||||||||||
| 2 | Nicole Gibbs | 6 | 6 | |||||||||||||||||
| 6 | Anna Tatishvili | 0 | 4 | |||||||||||||||||
 Paula Kania | 6 | 3 | 7 | |||||||||||||||||
 Maria Sakkari | 3 | 6 | 5 | |||||||||||||||||
| Paula Kania | 0 | 1 | ||||||||||||||||||
| 6 | Anna Tatishvili | 6 | 6 | |||||||||||||||||
| Maria Sanchez | 6 | 2 | 4 | |||||||||||||||||
| 6 | Anna Tatishvili | 0 | 6 | 6 | ||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 3 | Lourdes Domínguez Lino | 6 | 6 | |||||||||||||||||
 Michelle Larcher de Brito | 4 | 2 | ||||||||||||||||||
| 3 | Lourdes Domínguez Lino | 2 | 1 | |||||||||||||||||
 Marina Erakovic | 6 | 6 | ||||||||||||||||||
 Verónica Cepede Royg | 5 | 77 | 3 | |||||||||||||||||
| Marina Erakovic | 7 | 65 | 6 | |||||||||||||||||
| Marina Erakovic | 0 | 4 | ||||||||||||||||||
| Julia Glushko | 6 | 6 | ||||||||||||||||||
| Hiroko Kuwata | 2 | 1 | ||||||||||||||||||
| Julia Glushko | 6 | 6 | ||||||||||||||||||
| Julia Glushko | 6 | 6 | ||||||||||||||||||
| 8 | Han Xinyun | 4 | 4 | |||||||||||||||||
| WC |  Andrea Gámiz | 1 | 3 | |||||||||||||||||
| 8 | Han Xinyun | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 4 | Kiki Bertens | 4 | 7 | 6 | ||||||||||||||||
| Mathilde Johansson | 6 | 5 | 2 | |||||||||||||||||
| 4 | Kiki Bertens | 5 | 6 | 6 | ||||||||||||||||
 Viktorija Golubic | 7 | 4 | 3 | |||||||||||||||||
| Shahar Pe'er | 4 | 5 | ||||||||||||||||||
| Viktorija Golubic | 6 | 7 | ||||||||||||||||||
| 4 | Kiki Bertens | 4 | 6 | 5 | ||||||||||||||||
| 7 | Pauline Parmentier | 6 | 3 | 7 | ||||||||||||||||
 María Irigoyen | 7 | 1 | 5 | |||||||||||||||||
| Richèl Hogenkamp | 5 | 6 | 7 | |||||||||||||||||
| Richèl Hogenkamp | 5 | 2 | ||||||||||||||||||
| 7 | Pauline Parmentier | 7 | 6 | |||||||||||||||||
| Sílvia Soler Espinosa | 4 | 2 | ||||||||||||||||||
| 7 | Pauline Parmentier | 6 | 6 | |||||||||||||||||
Francesca Schiavone was the defending champion, but chose not to participate that year.
Li Na defeated Angelique Kerber in the final, 1–6, 6–3, 6–1 to win the women's singles tennis title at the 2012 Cincinnati Masters.
Caroline Wozniacki was the four-time defending champion. She retired in the semifinals against Maria Kirilenko.
Nadia Petrova defeated the defending champion Agnieszka Radwańska in the final, 6–0, 1–6, 6–3 to win the singles tennis title at the 2012 Pan Pacific Open.
Lara Arruabarrena Vecino was the defending champion, but lost to Karin Knapp in the quarterfinals.
Jelena Janković won the title, defeating Paula Ormaechea in the final, 6–1, 6–2.
Serena Williams defeated Ana Ivanovic in the final, 6–4, 6–1 to win the women's singles tennis title at the 2014 Cincinnati Masters.
Simona Halep defeated Jelena Janković in the final, 2–6, 7–5, 6–4 to win the women's singles tennis title at the 2015 Indian Wells Masters.
Two-time defending champion Serena Williams defeated Carla Suárez Navarro in the final, 6–2, 6–0 to win the women's singles tennis title at the 2015 Miami Open. It was her record-extending eighth Miami Open title.
Timea Bacsinszky was the defending champion, but chose to compete in Doha instead.
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. It was her second Indian Wells title.
Anna Karolína Schmiedlová was the defending champion, but lost in the first round to Pauline Parmentier.
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 in straight sets to win her second China Open title. It was Radwańska's 20th and career last singles crown before her retirement in 2018.
Svetlana Kuznetsova was the defending champion and successfully defended her title, defeating Daria Gavrilova in the final, 6–2, 6–1.
Elitsa Kostova was the defending champion from the event's previous edition as an ITF Women's Circuit tournament, but lost in the first round of qualifying to Barbora Štefková.
Elina Svitolina was the defending champion, but withdrew before the tournament began.
Sloane Stephens defeated Jeļena Ostapenko in the final, 7–6(7–5), 6–1 to win the women's singles tennis title at the 2018 Miami Open. It was Stephens' sixth career singles title, first Premier Mandatory title, and first title since winning the US Open back in September. By virtue of her victory, Stephens also made her debut in the Top 10, at No. 9.
Belinda Bencic was the champion the last time the event was held in 2017, but chose to compete in St. Petersburg instead.
Caroline Wozniacki was the defending champion, but lost in the third round to Aryna Sabalenka in a rematch of the previous year's final.
Kiki Bertens was the defending champion and successfully defended her title, defeating Elena Rybakina in the final, 6–1, 6–3. This would be Bertens' final WTA Tour singles title before her retirement in July 2021.