# 2019 Western & Southern Open – Women's singles

Madison Keys defeated Svetlana Kuznetsova in the final, 7–5, 7–6$^{(7–5)}$ to win the women's singles tennis title at the 2019 Cincinnati Masters.
Kiki Bertens was the defending champion, but lost in the second round to Venus Williams.
Naomi Osaka retained the world No. 1 singles ranking after the tournament. Ashleigh Barty and Karolína Plíšková were also in contention for the top ranking.
This tournament marked Maria Sharapova's final WTA Tour-level victory before her retirement; she defeated Alison Riske in the first round before losing to Barty in the second round.

## Seeds

The top eight seeds received a bye into the second round.
    01. Ashleigh Barty (semifinals)
    02. Naomi Osaka (quarterfinals, retired)
    03. Karolína Plíšková (quarterfinals)
    04. Simona Halep (third round)
    05. Kiki Bertens (second round)
    06. Petra Kvitová (second round)
    07. Elina Svitolina (third round)
    08. Sloane Stephens (third round)
    09. Aryna Sabalenka (third round)
    10. Serena Williams (withdrew)
    11. Anastasija Sevastova (first round)
    12. Belinda Bencic (first round, retired)
    13. Angelique Kerber (first round)
    14. Johanna Konta (first round)
    15. Wang Qiang (first round)
    16. Madison Keys (champion)
Click on the seed number of a player to go to their draw section.

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Ashleigh Barty | 5 | 6 | 6 | | | | | | | | |
| | Maria Sakkari | 7 | 2 | 0 | | | | | | | | |
| | Maria Sakkari | 7 | 2 | 0 | 1 | Ashleigh Barty | 2 | 4 | | | | |
| | | | | | WC | Svetlana Kuznetsova | 6 | 6 | | | | |
| 3 | Karolína Plíšková | 6 | 6$^2$ | 3 | WC | Svetlana Kuznetsova | 6 | 6 | | | | |
| WC | Svetlana Kuznetsova | 3 | 7$^7$ | 6 | | | | | | | | |
| WC | Svetlana Kuznetsova | 3 | 7$^7$ | 6 | | | | | WC | Svetlana Kuznetsova | 5 | 6$^5$ |
| | | | | | | | | | 16 | Madison Keys | 7 | 7$^7$ |
| | Venus Williams | 2 | 3 | | | | | | | | | | 16 | Madison Keys | 7 | 7$^7$ |
| 16 | Madison Keys | 6 | 6 | | | | | | | | | |
| 16 | Madison Keys | 6 | 6 | | 16 | Madison Keys | 7 | 6 | | | | |
| | | | | | | Sofia Kenin | 5 | 4 | | | | |
| | Sofia Kenin | 6 | 1 | 2 | | Sofia Kenin | 5 | 4 | | | | |
| 2 | Naomi Osaka | 4 | 6 | 0$^r$ | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 1 | A Barty | 6 | 6 | | | | | | | | | | | |
| WC | M Sharapova | 6 | 7$^7$ | WC | M Sharapova | 4 | 1 | | | | | | | | | | | |
| WC | A Riske | 3 | 6$^4$ | | | | | | 1 | A Barty | 4 | 7 | 7 | | | | | |
| | C Garcia | 6$^1$ | 1 | | | | | | | A Kontaveit | 6 | 5 | 5 | | | | | |
| Q | I Świątek | 7$^7$ | 6 | Q | I Świątek | 4 | 6$^2$ | | | | | | | | | | | |
| | A Kontaveit | 7$^9$ | 6 | | A Kontaveit | 6 | 7$^7$ | | | | | | | | | | | |
| 13 | A Kerber | 6$^7$ | 2 | | | | | | | | | | | 1 | A Barty | 5 | 6 | 6 |
| 9 | A Sabalenka | 6 | 6 | | | | | | | | | | | | M Sakkari | 7 | 2 | 0 |
| | P Martić | 1 | 4 | 9 | A Sabalenka | 6 | 6 | | | | | | | | | | | |
| | V Kužmová | 3 | 1 | | S Zheng | 4 | 3 | | | | | | | | | | | |
| | S Zheng | 6 | 6 | | | | | | 9 | A Sabalenka | 7$^7$ | 4 | 4 | | | | | |
| | M Sakkari | 6 | 6 | | | | | | | M Sakkari | 6$^4$ | 6 | 6 | | | | | |
| | C Giorgi | 3 | 0 | | M Sakkari | 6 | 2 | 6 | | | | | | | | | | |
| | | | | 6 | P Kvitová | 4 | 6 | 3 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | Ka Plíšková | 6 | 6 | | | | | | | | | | |
| LL | Y Wang | 3 | 7 | 6 | LL | Y Wang | 1 | 3 | | | | | | | | | | |
| LL | M Puig | 6 | 5 | 3 | | | | | | 3 | Ka Plíšková | 7 | 6 | | | | | |
| WC | B Pera | 2 | 3 | | | | | | | Q | R Peterson | 5 | 4 | | | | | |
| Q | V Kudermetova | 6 | 6 | | Q | V Kudermetova | 6 | 5 | 2 | | | | | | | | | |
| Q | R Peterson | 6 | 3 | 7 | Q | R Peterson | 2 | 7 | 6 | | | | | | | | | |
| 14 | J Konta | 3 | 6 | 5 | | | | | | | | | | 3 | Ka Plíšková | 6 | 6$^2$ | 3 |
| 11 | A Sevastova | 6$^3$ | 7$^7$ | 4 | | | | | | | | | | WC | S Kuznetsova | 3 | 7$^7$ | 6 |
| WC | S Kuznetsova | 7$^7$ | 6$^4$ | 6 | WC | S Kuznetsova | 4 | 7$^9$ | 6 | | | | | | | | | |
| | D Yastremska | 6 | 6 | | | D Yastremska | 6 | 6$^7$ | 2 | | | | | | | | | |
| | C Wozniacki | 4 | 4 | | | | | | | WC | S Kuznetsova | 6 | 6 | | | | | |
| | J Ostapenko | 2 | 7$^7$ | 3 | | | | | | 8 | S Stephens | 1 | 2 | | | | | |
| | Y Putintseva | 6 | 6$^3$ | 6 | | Y Putintseva | 6 | 4 | 3 | | | | | | | | | |
| | | | | | 8 | S Stephens | 2 | 6 | 6 | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | K Bertens | 3 | 6 | 6$^4$ | | | | | | | | | |
| | V Williams | 7 | 6 | | | V Williams | 6 | 3 | 7$^7$ | | | | | | | | | |
| Q | L Davis | 5 | 2 | | | | | | | | V Williams | 2 | 6 | 6 | | | | |
| | K Siniaková | 4 | 3 | | | | | | | | D Vekić | 6 | 3 | 3 | | | | |
| | D Vekić | 6 | 6 | | | D Vekić | 6 | 7 | | | | | | | | | | |
| | V Azarenka | 6 | 1 | | | V Azarenka | 2 | 5 | | | | | | | | | | |
| 12 | B Bencic | 4 | 0$^r$ | | | | | | | | | | | | | V Williams | 2 | 3 |
| 16 | M Keys | 6$^4$ | 7$^7$ | 6 | | | | | | | | | | | 16 | M Keys | 6 | 6 |
| | G Muguruza | 7$^7$ | 6$^5$ | 4 | 16 | M Keys | 6 | 6 | | | | | | | | | | |
| LL | B Strýcová | 4 | 6$^9$ | | | D Kasatkina | 4 | 1 | | | | | | | | | | |
| | D Kasatkina | 6 | 7$^{11}$ | | | | | | | 16 | M Keys | 6 | 3 | 7 | | | | |
| | E Alexandrova | 6 | 6 | | | | | | | 4 | S Halep | 1 | 6 | 5 | | | | |
| | C Suárez Navarro | 4 | 1 | | | E Alexandrova | 6 | 5 | 4 | | | | | | | | | |
| | | | | | 4 | S Halep | 3 | 7 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | E Svitolina | 6 | 6 | | | | | | | | | | | |
| | E Mertens | 7 | 6 | | | E Mertens | 4 | 1 | | | | | | | | | | | |
| WC | C McNally | 5 | 0 | | | | | | | 7 | E Svitolina | 3 | 6$^3$ | | | | | | |
| | S Kenin | 6 | 7$^8$ | | | | | | | | S Kenin | 6 | 7$^7$ | | | | | | |
| | J Görges | 4 | 6$^6$ | | | S Kenin | 6 | 6 | | | | | | | | | | | |
| Q | Z Diyas | 7 | 6 | | Q | Z Diyas | 4 | 1 | | | | | | | | | | | |
| LL | J Pegula | 5 | 4 | | | | | | | | | | | | | S Kenin | 6 | 1 | 2 |
| 15 | Q Wang | 3 | 4 | | | | | | | | | | | | 2 | N Osaka | 4 | 6 | 0$^r$ |
| | S-w Hsieh | 6 | 6 | | | S-w Hsieh | 7$^{11}$ | 6 | | | | | | | | | | | |
| Q | O Jabeur | 2 | 2 | | Q | J Brady | 6$^9$ | 3 | | | | | | | | | | | |
| Q | J Brady | 6 | 6 | | | | | | | | S-w Hsieh | 6$^3$ | 7 | 2 | | | | | |
| | A Sasnovich | 6 | 4 | 6 | | | | | | 2 | N Osaka | 7$^7$ | 5 | 6 | | | | | |
| Q | A Sharma | 1 | 6 | 1 | | A Sasnovich | 6$^3$ | 6 | 2 | | | | | | | | | | |
| | | | | | 2 | N Osaka | 7$^7$ | 2 | 6 | | | | | | | | | | |

## Qualifying
### Seeds

* Barbora Strýcová (qualifying competition, lucky loser)
* Zhang Shuai (first round)
* Monica Puig (qualifying competition, lucky loser)
* Anastasia Pavlyuchenkova (first round)
* Kristina Mladenovic (first round)
* Wang Yafan (qualifying competition, lucky loser)
* Alizé Cornet (first round)
* Polona Hercog (withdrew)
* Jessica Pegula (qualifying competition, lucky loser)
* Veronika Kudermetova (qualified)
* Jil Teichmann (first round)
* Margarita Gasparyan (first round)
* Ons Jabeur (qualified)
* Elena Rybakina (first round)
* Iga Świątek (qualified)
* Lauren Davis (qualified)

### Qualifiers

* Rebecca Peterson
* Lauren Davis
* Veronika Kudermetova
* Zarina Diyas
* Jennifer Brady
* Iga Świątek
* Ons Jabeur
* Astra Sharma

### Lucky losers

* Monica Puig
* Barbora Strýcová
* Wang Yafan
* Jessica Pegula

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Barbora Strýcová | 7$^7$ | 3 | 6 | | | | |
| | Kaia Kanepi | 6$^3$ | 6 | 3 | | | | |
| | Kaia Kanepi | 6$^3$ | 6 | 3 | 1 | Barbora Strýcová | 2 | 1 |
| | | | | | | Rebecca Peterson | 6 | 6 |
| | Rebecca Peterson | 6 | 7 | | | Rebecca Peterson | 6 | 6 |
| 12 | Margarita Gasparyan | 1 | 5 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Zhang Shuai | 4 | 6$^5$ | | | | | |
| | Kristýna Plíšková | 6 | 7$^7$ | | | | | |
| | Kristýna Plíšková | 6 | 7$^7$ | | | Kristýna Plíšková | 1 | 4 |
| | | | | | 16 | Lauren Davis | 6 | 6 |
| WC | Kristie Ahn | 6 | 6$^7$ | 2 | 16 | Lauren Davis | 6 | 6 |
| 16 | Lauren Davis | 2 | 7$^9$ | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Monica Puig | 6$^2$ | 6 | 6 | | | | |
| | Anastasia Potapova | 7$^7$ | 1 | 4 | | | | |
| | Anastasia Potapova | 7$^7$ | 1 | 4 | 3 | Monica Puig | 2 | 1 |
| | | | | | 10 | Veronika Kudermetova | 6 | 6 |
| WC | Destanee Aiava | 4 | 6 | 2 | 10 | Veronika Kudermetova | 6 | 6 |
| 10 | Veronika Kudermetova | 6 | 2 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Anastasia Pavlyuchenkova | 1 | 6$^5$ | | | | | |
| | Zarina Diyas | 6 | 7$^7$ | | | | | |
| | Zarina Diyas | 6 | 7$^7$ | | Zarina Diyas | 6$^4$ | 7$^7$ | 6 |
| | | | | 9 | Jessica Pegula | 7$^7$ | 6$^3$ | 4 |
| | Mihaela Buzărnescu | 3 | 6$^5$ | 9 | Jessica Pegula | 7$^7$ | 6$^3$ | 4 |
| 9 | Jessica Pegula | 6 | 7$^7$ | | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Kristina Mladenovic | 2 | 5 | | | | | |
| | Magda Linette | 6 | 7 | | | | | |
| | Magda Linette | 6 | 7 | | Magda Linette | 6 | 3 | 4 |
| | | | | | Jennifer Brady | 2 | 6 | 6 |
| | Jennifer Brady | 1 | 6 | 6 | Jennifer Brady | 2 | 6 | 6 |
| 11 | Jil Teichmann | 6 | 1 | 2 | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Wang Yafan | 6 | 6 | | | | | | |
| WC | CoCo Vandeweghe | 2 | 2 | | | | | | |
| WC | CoCo Vandeweghe | 2 | 2 | | 6 | Wang Yafan | 4 | 6 | 4 |
| | | | | | 15 | Iga Świątek | 6 | 3 | 6 |
| | Kateryna Kozlova | 2 | 7$^7$ | 4 | 15 | Iga Świątek | 6 | 3 | 6 |
| 15 | Iga Świątek | 6 | 6$^0$ | 6 | | | | | |

#### Seventh qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 7 | Alizé Cornet | 6$^5$ | 3 | | | | | |
| | Andrea Petkovic | 7$^7$ | 6 | | | | | |
| | Andrea Petkovic | 7$^7$ | 6 | | | Andrea Petkovic | 3 | 0 |
| | | | | | 13 | Ons Jabeur | 6 | 6 |
| WC | Shelby Rogers | 5 | 6 | 6$^5$ | 13 | Ons Jabeur | 6 | 6 |
| 13 | Ons Jabeur | 7 | 2 | 7$^7$ | | | | |

#### Eighth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Astra Sharma | 6 | 6 | | | | |
| | Viktorija Golubic | 3 | 3 | | | | |
| | Viktorija Golubic | 3 | 3 | Alt | Astra Sharma | 6 | 6 |
| | | | | PR | Bethanie Mattek-Sands | 4 | 4 |
| PR | Bethanie Mattek-Sands | 6 | 6 | PR | Bethanie Mattek-Sands | 4 | 4 |
| 14 | Elena Rybakina | 3 | 2 | | | | |