| Singles | |
|---|---|
| 2018 Monterrey Open | |
| Champion |  Garbiñe Muguruza |
| Runner-up |  Tímea Babos |
| Score | 3–6, 6–4, 6–3 |
Anastasia Pavlyuchenkova was the defending champion, but withdrew before the tournament began.
Garbiñe Muguruza won the title, defeating Tímea Babos in the final, 3–6, 6–4, 6–3.
Garbiñe Muguruza (champion)
Magdaléna Rybáriková (quarterfinals)
Lesia Tsurenko (second round, withdrew) Tímea Babos (final)
Monica Puig (quarterfinals)
Ana Bogdan (semifinals)
Sachia Vickery (semifinals)
Ajla Tomljanović (quarterfinals)| Semifinals | Final | ||||||||||||
| 1 | Garbiñe Muguruza | 6 | 7 | ||||||||||
| 6 | Ana Bogdan | 0 | 5 | ||||||||||
| 1 | Garbiñe Muguruza | 3 | 6 | 6 | |||||||||
| 4 | Tímea Babos | 6 | 4 | 3 | |||||||||
| 4 | Tímea Babos | 1 | 6 | 6 | |||||||||
| 7 | Sachia Vickery | 6 | 2 | 2 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | G Muguruza | 6 | 6 | ||||||||||||||||||||||||
| WC |  R Zarazúa | 1 | 1 | 1 | G Muguruza | 6 | 6 | ||||||||||||||||||||
 E Rodina | 0 | 64 | A Riske | 2 | 3 | ||||||||||||||||||||||
| A Riske | 6 | 77 | 1 | G Muguruza | 6 | 6 | |||||||||||||||||||||
| A Blinkova | 79 | 5 | 6 | 8 | A Tomljanović | 3 | 0 | ||||||||||||||||||||
 R Peterson | 67 | 7 | 4 | A Blinkova | 2 | 7 | 2 | ||||||||||||||||||||
| AK Schmiedlová | 6 | 1 | 66 | 8 | A Tomljanović | 6 | 5 | 6 | |||||||||||||||||||
| 8 | A Tomljanović | 4 | 6 | 78 | 1 | G Muguruza | 6 | 7 | |||||||||||||||||||
| 3 | L Tsurenko | 62 | 6 | 6 | 6 | A Bogdan | 0 | 5 | |||||||||||||||||||
 N Hibino | 77 | 4 | 4 | 3 | L Tsurenko | ||||||||||||||||||||||
 M Duque Mariño | 1 | 3 | D Collins | w/o | |||||||||||||||||||||||
| D Collins | 6 | 6 | D Collins | 2 | 4 | ||||||||||||||||||||||
| S Sorribes Tormo | 6 | 7 | 6 | A Bogdan | 6 | 6 | |||||||||||||||||||||
 T Martincová | 1 | 5 | S Sorribes Tormo | 2 | 3 | ||||||||||||||||||||||
| WC | V Rodríguez | 6 | 4 | 65 | 6 | A Bogdan | 6 | 6 | |||||||||||||||||||
| 6 | A Bogdan | 4 | 6 | 77 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | M Puig | 6 | 6 | ||||||||||||||||||||||||
| N Gibbs | 3 | 3 | 5 | M Puig | 6 | 6 | |||||||||||||||||||||
 S Vögele | 6 | 6 | S Vögele | 4 | 3 | ||||||||||||||||||||||
| Q |  D Jakupović | 3 | 4 | 5 | M Puig | 4 | 2 | ||||||||||||||||||||
 N Broady | 6 | 65 | 6 | 4 | T Babos | 6 | 6 | ||||||||||||||||||||
 C Zhao | 3 | 77 | 2 | N Broady | 3 | 78 | 5 | ||||||||||||||||||||
| Q | M Bouzková | 3 | 4 | 4 | T Babos | 6 | 66 | 7 | |||||||||||||||||||
| 4 | T Babos | 6 | 6 | 4 | T Babos | 1 | 6 | 6 | |||||||||||||||||||
| 7 | S Vickery | 6 | 6 | 7 | S Vickery | 6 | 2 | 2 | |||||||||||||||||||
| I Falconi | 1 | 4 | 7 | S Vickery | 6 | 6 | |||||||||||||||||||||
| Q | UM Arconada | 3 | 6 | 4 | WC | AS Sánchez | 3 | 3 | |||||||||||||||||||
| WC | AS Sánchez | 6 | 4 | 6 | 7 | S Vickery | 6 | 6 | |||||||||||||||||||
| Q |  V Grammatikopoulou | 0 | 2 | 2 | M Rybáriková | 0 | 3 | ||||||||||||||||||||
 J Fett | 6 | 6 | J Fett | 5 | 2 | ||||||||||||||||||||||
| R Ozaki | 4 | 3 | 2 | M Rybáriková | 7 | 6 | |||||||||||||||||||||
| 2 | M Rybáriková | 6 | 6 | ||||||||||||||||||||||||
Ysaline Bonaventure (first round) Miyu Kato (second round)
Jasmine Paolini (qualifying competition) Jamie Loeb (second round) Lizette Cabrera (first round) Dalila Jakupović (qualified) Marie Bouzková (qualified) Conny Perrin (qualifying competition)| First round | Second round | Qualifying competition | ||||||||||||||||||
| 1 | Ysaline Bonaventure | 65 | 77 | 1 | ||||||||||||||||
| Priscilla Hon | 77 | 62 | 6 | |||||||||||||||||
| Priscilla Hon | 64 | 3 | ||||||||||||||||||
| Valentini Grammatikopoulou | 77 | 6 | ||||||||||||||||||
| Tereza Mrdeža | 3 | 6 | 2 | |||||||||||||||||
| Valentini Grammatikopoulou | 6 | 2 | 6 | |||||||||||||||||
| Valentini Grammatikopoulou | 6 | 6 | ||||||||||||||||||
| 8 | Conny Perrin | 2 | 2 | |||||||||||||||||
| Ashley Kratzer | 6 | 1 | 3 | |||||||||||||||||
| WC | Yana Sizikova | 3 | 6 | 6 | ||||||||||||||||
| WC | Yana Sizikova | 5 | 0 | |||||||||||||||||
| 8 | Conny Perrin | 7 | 6 | |||||||||||||||||
| Emina Bektas | 3 | 3 | ||||||||||||||||||
| 8 | Conny Perrin | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 2 | Miyu Kato | 6 | 6 | |||||||||||||||||
| WC | Andrea Renée Villarreal | 2 | 3 | |||||||||||||||||
| 2 | Miyu Kato | 6 | 3 | 3 | ||||||||||||||||
| Sabrina Santamaria | 1 | 6 | 6 | |||||||||||||||||
 Nadia Podoroska | 4 | 6 | 5 | |||||||||||||||||
| Sabrina Santamaria | 6 | 2 | 7 | |||||||||||||||||
| Sabrina Santamaria | 2 | 5 | ||||||||||||||||||
| 6 | Dalila Jakupović | 6 | 7 | |||||||||||||||||
| Cornelia Lister | 5 | 6 | 6 | |||||||||||||||||
| Valeria Savinykh | 7 | 3 | 2 | |||||||||||||||||
| Cornelia Lister | 4 | 66 | ||||||||||||||||||
| 6 | Dalila Jakupović | 6 | 78 | |||||||||||||||||
| Irina Khromacheva | 2 | 3 | ||||||||||||||||||
| 6 | Dalila Jakupović | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 3 | Jasmine Paolini | 6 | 2 | 6 | ||||||||||||||||
| WC | Marcela Zacarías | 2 | 6 | 1 | ||||||||||||||||
| 3 | Jasmine Paolini | 6 | 6 | |||||||||||||||||
 Andrea Gámiz | 0 | 0 | ||||||||||||||||||
| Miharu Imanishi | 66 | 6 | 4 | |||||||||||||||||
| Andrea Gámiz | 78 | 4 | 6 | |||||||||||||||||
| 3 | Jasmine Paolini | 1 | 7 | 1 | ||||||||||||||||
| Usue Maitane Arconada | 6 | 5 | 6 | |||||||||||||||||
 Jovana Jakšić | 6 | 3 | 6 | |||||||||||||||||
| Olga Ianchuk | 3 | 6 | 4 | |||||||||||||||||
| Jovana Jakšić | 5 | 1 | ||||||||||||||||||
| Usue Maitane Arconada | 7 | 6 | ||||||||||||||||||
| Usue Maitane Arconada | 6 | 6 | ||||||||||||||||||
| 5 | Lizette Cabrera | 3 | 4 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 4 | Jamie Loeb | 6 | 6 | |||||||||||||||||
| Danielle Lao | 3 | 2 | ||||||||||||||||||
| 4 | Jamie Loeb | 3 | 2 | |||||||||||||||||
 Deniz Khazaniuk | 6 | 6 | ||||||||||||||||||
| Giuliana Olmos | 0 | 2 | ||||||||||||||||||
| Deniz Khazaniuk | 6 | 6 | ||||||||||||||||||
| Deniz Khazaniuk | 2 | 7 | 5 | |||||||||||||||||
| 7 | Marie Bouzková | 6 | 5 | 7 | ||||||||||||||||
| Aliona Bolsova Zadoinov | 6 | 6 | ||||||||||||||||||
| WC | Rushri Wijesundera | 1 | 3 | |||||||||||||||||
| Aliona Bolsova Zadoinov | 1 | 2 | ||||||||||||||||||
| 7 | Marie Bouzková | 6 | 6 | |||||||||||||||||
| Jacqueline Cako | 3 | 4 | ||||||||||||||||||
| 7 | Marie Bouzková | 6 | 6 | |||||||||||||||||
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.
Anastasia Pavlyuchenkova was the defending champion, but she chose not to participate this year.
María Teresa Torró Flor was the defending champion, but withdrew before the tournament began.
Elina Svitolina won the title, defeating Tímea Babos in the final, 7–5, 7–6(7–3).
Ana Ivanovic was the defending champion, but lost in the second round to Michelle Larcher de Brito.
Defending champion Serena Williams defeated Simona Halep in the final, 6–3, 7–6(7–5) to win the women's singles tennis title at the 2015 Cincinnati Masters.
Venus Williams won the singles tennis title at the 2015 Wuhan Open after Garbiñe Muguruza retired in the final, with the scoreline at 6–3, 3–0. Williams saved a match point en route to the title, in the semifinals against Roberta Vinci.
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.
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.
Heather Watson was the defending champion, but lost in the quarterfinals to Angelique Kerber.
Elina Svitolina was the defending champion, but withdrew before the tournament began.
Petra Kvitová was the defending champion, and successfully defended her title, defeating Magdaléna Rybáriková in the final, 4–6, 6–1, 6–2.
Madison Keys was the defending champion, but withdrew due to a wrist injury.
Simona Halep defeated Sloane Stephens in the final, 7–6(8–6), 3–6, 6–4 to win the women's singles tennis title at the 2018 Canadian Open.
Alison Van Uytvanck was the defending champion, but chose not to participate.
Belinda Bencic defeated Petra Kvitová in the final, 6–3, 1–6, 6–2 to win the women's singles tennis title at the 2019 Dubai Tennis Championships. She saved six match points en route to the title, in the third round against Aryna Sabalenka. For the second time in her career, Bencic defeated four consecutive top-ten players en route to a Premier 5 title. This was her first WTA singles title since winning the Premier 5 Rogers Cup title in 2015, and lifted her back inside the top 25 in rankings for the first time in over two and a half years.
Ashleigh Barty defeated Karolína Plíšková in the final, 7–6(7–1), 6–3 to win the women's singles tennis title at the 2019 Miami Open. It was Barty's first WTA Premier Mandatory title. She entered the top 10 in the WTA rankings for the first time with the win.
Garbiñe Muguruza was the defending champion and successfully defended her title, after Victoria Azarenka retired in the final with a leg injury with the score at 6–1, 3–1.
Aryna Sabalenka defeated Petra Kvitová in the final, 6–3, 6–3 to win the singles tennis title at the 2020 WTA Qatar Open.
Garbiñe Muguruza was the two-time defending champion, but chose not to participate.