# 2015 Western & Southern Open – Women's singles

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.

## Seeds

The top eight seeds received a bye into the second round.
    01. Serena Williams (champion)
    02. Maria Sharapova (withdrew because of a right leg injury)
    03. Simona Halep (final)
    04. Petra Kvitová (second round)
    05. Caroline Wozniacki (second round)
    06. Ana Ivanovic (quarterfinals)
    07. Lucie Šafářová (quarterfinals)
    08. Karolína Plíšková (third round)
    09. Garbiñe Muguruza (first round)
    10. Carla Suárez Navarro (first round)
    11. Angelique Kerber (first round)
    12. Timea Bacsinszky (first round)
    13. Agnieszka Radwańska (first round)
    14. Elina Svitolina (semifinals)
    15. Andrea Petkovic (third round)
    16. Sara Errani (first round)
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 | Serena Williams | 3 | 6 | 6 | | | | | | | | |
| 6 | Ana Ivanovic | 6 | 4 | 2 | | | | | | | | |
| 6 | Ana Ivanovic | 6 | 4 | 2 | 1 | Serena Williams | 6 | 6 | | | | |
| | | | | | 14 | Elina Svitolina | 4 | 3 | | | | |
| 14 | Elina Svitolina | 6 | 2 | 6 | 14 | Elina Svitolina | 4 | 3 | | | | |
| 7 | Lucie Šafářová | 4 | 6 | 0 | | | | | | | | |
| 7 | Lucie Šafářová | 4 | 6 | 0 | | | | | 1 | Serena Williams | 6 | 7$^7$ |
| | | | | | | | | | 3 | Simona Halep | 3 | 6$^5$ |
| | Anastasia Pavlyuchenkova | 6$^3$ | 2 | | | | | | | | | | 3 | Simona Halep | 3 | 6$^5$ |
| 3 | Simona Halep | 7$^7$ | 6 | | | | | | | | | |
| 3 | Simona Halep | 7$^7$ | 6 | | 3 | Simona Halep | 6 | 6 | | | | |
| | | | | | | Jelena Janković | 1 | 2 | | | | |
| | Jelena Janković | 6 | 6 | | | Jelena Janković | 1 | 2 | | | | |
| Q | Anna Karolína Schmiedlová | 4 | 2 | | | | | | | | | |

### Top half
#### Section 1

| 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 |
| | | | | | 1 | S Williams | 7 | 6 | | | | | | | | | | | |
| Q | L Hradecká | 5 | 6 | 1 | | T Pironkova | 5 | 3 | | | | | | | | | | | |
| | T Pironkova | 7 | 3 | 6 | | | | | | 1 | S Williams | 6 | 6 | | | | | | |
| | K Knapp | 7 | 6 | | | | | | | | K Knapp | 0 | 2 | | | | | | |
| Q | A Konjuh | 5 | 1 | | | K Knapp | 6 | 6 | | | | | | | | | | | |
| | D Gavrilova | 6 | 4 | 6 | | D Gavrilova | 4 | 1 | | | | | | | | | | | |
| 16 | S Errani | 1 | 6 | 2 | | | | | | | | | | | 1 | S Williams | 3 | 6 | 6 |
| 10 | C Suárez Navarro | 1 | 2 | | | | | | | | | | | | 6 | A Ivanovic | 6 | 4 | 2 |
| | S Stephens | 6 | 6 | | | S Stephens | 3 | 7$^7$ | 6 | | | | | | | | | | |
| Q | M Barthel | 2 | 6 | 7$^7$ | Q | M Barthel | 6 | 6$^1$ | 2 | | | | | | | | | | |
| Q | C Dellacqua | 6 | 3 | 6$^4$ | | | | | | | S Stephens | 6 | 4 | 1 | | | | | |
| | Z Diyas | 6$^6$ | 4 | | | | | | | 6 | A Ivanovic | 2 | 6 | 6 | | | | | |
| | V Williams | 7$^8$ | 6 | | | V Williams | | | | | | | | | | | | | |
| | | | | | 6 | A Ivanovic | w/o | | | | | | | | | | | | |

#### 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 |
| | | | | | 4 | P Kvitová | 5 | 6 | 2 | | | | | | | | | |
| | C Garcia | 3 | 6 | 6 | | C Garcia | 7 | 4 | 6 | | | | | | | | | |
| | S Lisicki | 6 | 3 | 4 | | | | | | | C Garcia | 0 | 3 | | | | | |
| Q | K Bondarenko | 6$^2$ | 6$^5$ | | | | | | | 14 | E Svitolina | 6 | 6 | | | | | |
| | E Bouchard | 7$^7$ | 7$^7$ | | | E Bouchard | 6$^6$ | 5 | | | | | | | | | | |
| WC | A Riske | 2 | 6 | 0 | 14 | E Svitolina | 7$^8$ | 7 | | | | | | | | | | |
| 14 | E Svitolina | 6 | 4 | 6 | | | | | | | | | | 14 | E Svitolina | 6 | 2 | 6 |
| 11 | A Kerber | 5 | 3 | | | | | | | | | | | 7 | L Šafářová | 4 | 6 | 0 |
| | B Bencic | 7 | 6 | | | B Bencic | 6 | 6 | | | | | | | | | | |
| | F Pennetta | 7 | 6 | | | F Pennetta | 1 | 4 | | | | | | | | | | |
| PR | D Cibulková | 5 | 2 | | | | | | | | B Bencic | 2 | 0$^r$ | | | | | |
| WC | C Vandeweghe | 6 | 6 | | | | | | | 7 | L Šafářová | 6 | 0 | | | | | |
| Q | Y Putintseva | 3 | 2 | | WC | C Vandeweghe | 4 | 5 | | | | | | | | | | |
| | | | | | 7 | L Šafářová | 6 | 7 | | | | | | | | | | |

### 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 | C Wozniacki | 0 | 4 | | | | | | | | | | |
| | V Azarenka | 6 | 6 | | | V Azarenka | 6 | 6 | | | | | | | | | | |
| Q | L Davis | 1 | 2 | | | | | | | | V Azarenka | 6 | 0$^r$ | | | | | |
| | A Pavlyuchenkova | 6 | 0 | 6 | | | | | | | A Pavlyuchenkova | 1 | 3 | | | | | |
| | R Vinci | 3 | 6 | 2 | | A Pavlyuchenkova | 2 | 6 | 6 | | | | | | | | | |
| Q | Y Shvedova | 6 | 7$^7$ | | Q | Y Shvedova | 6 | 3 | 2 | | | | | | | | | |
| 9 | G Muguruza | 4 | 6$^0$ | | | | | | | | | | | | | A Pavlyuchenkova | 6$^3$ | 2 |
| 15 | A Petkovic | 6 | 6 | | | | | | | | | | | | 3 | S Halep | 7$^7$ | 6 |
| Q | J Görges | 4 | 2 | | 15 | A Petkovic | 5 | 6 | 6 | | | | | | | | | |
| | C Giorgi | 5 | 6 | 6 | | C Giorgi | 7 | 3 | 3 | | | | | | | | | |
| Q | C McHale | 7 | 3 | 2 | | | | | | 15 | A Petkovic | 6 | 4 | 2 | | | | |
| | K Mladenovic | 6 | 6 | | | | | | | 3 | S Halep | 4 | 6 | 6 | | | | |
| WC | D Hantuchová | 2 | 1 | | | K Mladenovic | 5 | 7 | 4 | | | | | | | | | |
| | | | | | 3 | S Halep | 7 | 5 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | Ka Plíšková | 6 | 7 | | | | | | | | | |
| | S Stosur | 6$^6$ | 6 | 5 | Q | T Babos | 4 | 5 | | | | | | | | | |
| Q | T Babos | 7$^8$ | 4 | 7 | | | | | 8 | Ka Plíšková | 2 | 6 | 5 | | | | |
| | M Brengle | 6 | 4 | 2 | | | | | | J Janković | 6 | 3 | 7 | | | | |
| | J Janković | 4 | 6 | 6 | | J Janković | 7$^7$ | 6 | | | | | | | | | |
| | M Keys | 6 | 6 | | | M Keys | 6$^4$ | 4 | | | | | | | | | |
| 12 | T Bacsinszky | 4 | 3 | | | | | | | | | | | | J Janković | 6 | 6 |
| 13 | A Radwańska | 6 | 3 | 1 | | | | | | | | | | Q | AK Schmiedlová | 4 | 2 |
| Q | AK Schmiedlová | 4 | 6 | 6 | Q | AK Schmiedlová | 6 | 6 | | | | | | | | | |
| | I-C Begu | 6 | 6 | | | I-C Begu | 1 | 3 | | | | | | | | | |
| | A Cornet | 4 | 4 | | | | | | Q | AK Schmiedlová | 6 | 3 | 6 | | | | |
| | B Strýcová | 6 | 5 | 6$^6$ | | | | | | V Lepchenko | 3 | 6 | 4 | | | | |
| | V Lepchenko | 2 | 7 | 7$^8$ | | V Lepchenko | 7 | 6 | | | | | | | | | |
| | | | | | LL | M Lučić-Baroni | 5 | 4 | | | | | | | | | |

## Qualifying
### Seeds

* Monica Niculescu (first round)
* Anna Karolína Schmiedlová (qualified)
* Johanna Larsson (first round)
* Magdaléna Rybáriková (first round)
* Alexandra Dulgheru (first round)
* Mirjana Lučić-Baroni (qualifying competition, lucky loser)
* Alison Van Uytvanck (withdrew)
* Annika Beck (first round)
* Carina Witthöft (first round)
* Lucie Hradecká (qualified)
* Christina McHale (qualified)
* Mona Barthel (qualified)
* Julia Görges (qualified)
* Casey Dellacqua (qualified)
* Aleksandra Krunić (first round)
* Tatjana Maria (qualifying competition)
* Heather Watson (first round)
* Polona Hercog (qualifying competition)
* Lara Arruabarrena (first round)
* Kurumi Nara (qualifying competition, retired)
* Andreea Mitu (first round)
* Irina Falconi (qualifying competition)
* Jarmila Gajdošová (first round)
* Olga Govortsova (qualifying competition)
* Yulia Putintseva (qualified)

### Qualifiers

* Tímea Babos
* Anna Karolína Schmiedlová
* Ana Konjuh
* Julia Görges
* Kateryna Bondarenko
* Casey Dellacqua
* Yulia Putintseva
* Lauren Davis
* Yaroslava Shvedova
* Lucie Hradecká
* Christina McHale
* Mona Barthel

### Lucky loser

* Mirjana Lučić-Baroni

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Monica Niculescu | 6 | 6$^7$ | 6$^9$ | | | |
| | Aliaksandra Sasnovich | 3 | 7$^9$ | 7$^{11}$ | | | |
| | Aliaksandra Sasnovich | 3 | 7$^9$ | 7$^{11}$ | Aliaksandra Sasnovich | 6$^2$ | 4 |
| | | | | | Tímea Babos | 7$^7$ | 6 |
| | Tímea Babos | 6 | 1 | 6 | Tímea Babos | 7$^7$ | 6 |
| 17 | Heather Watson | 2 | 6 | 3 | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Anna Karolína Schmiedlová | 1 | 6 | 6 | | | | |
| WC | Taylor Townsend | 6 | 0 | 2 | | | | |
| WC | Taylor Townsend | 6 | 0 | 2 | 2 | Anna Karolína Schmiedlová | 6 | 6 |
| | | | | | 24 | Olga Govortsova | 4 | 2 |
| WC | Sachia Vickery | 6$^3$ | 6$^0$ | | 24 | Olga Govortsova | 4 | 2 |
| 24 | Olga Govortsova | 7$^7$ | 7$^7$ | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Johanna Larsson | 0 | 6$^2$ | | | | |
| | Ana Konjuh | 6 | 7$^7$ | | | | |
| | Ana Konjuh | 6 | 7$^7$ | Ana Konjuh | 5 | 7$^7$ | 6 |
| | | | | Misaki Doi | 7 | 6$^3$ | 3 |
| | Misaki Doi | 6 | 6 | Misaki Doi | 7 | 6$^3$ | 3 |
| 15 | Aleksandra Krunić | 2 | 0 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Magdaléna Rybáriková | 7 | 4 | 3 | | | | |
| | Sesil Karatantcheva | 5 | 6 | 6 | | | | |
| | Sesil Karatantcheva | 5 | 6 | 6 | | Sesil Karatantcheva | 4 | 6$^7$ |
| | | | | | 13 | Julia Görges | 6 | 7$^9$ |
| | Urszula Radwańska | 4 | 6 | 5 | 13 | Julia Görges | 6 | 7$^9$ |
| 13 | Julia Görges | 6 | 4 | 7 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Alexandra Dulgheru | 7$^7$ | 1 | 3 | | | |
| | Jana Čepelová | 6$^5$ | 6 | 6 | | | |
| | Jana Čepelová | 6$^5$ | 6 | 6 | Jana Čepelová | 3 | 0 |
| | | | | | Kateryna Bondarenko | 6 | 6 |
| | Kateryna Bondarenko | 6 | 6 | | Kateryna Bondarenko | 6 | 6 |
| 19 | Lara Arruabarrena | 1 | 4 | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Mirjana Lučić-Baroni | 7$^9$ | 6 | | | | | |
| | Hsieh Su-wei | 6$^7$ | 3 | | | | | |
| | Hsieh Su-wei | 6$^7$ | 3 | 6 | Mirjana Lučić-Baroni | 4 | 6 | 3 |
| | | | | 14 | Casey Dellacqua | 6 | 2 | 6 |
| WC | Alexa Glatch | 6$^4$ | 2 | 14 | Casey Dellacqua | 6 | 2 | 6 |
| 14 | Casey Dellacqua | 7$^7$ | 6 | | | | | |

#### Seventh qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 25 | Yulia Putintseva | 6 | 6 | | | | |
| WC | Louisa Chirico | 0 | 4 | | | | |
| WC | Louisa Chirico | 0 | 4 | 25 | Yulia Putintseva | 7 | 1 |
| | | | | 20 | Kurumi Nara | 5 | 0$^r$ |
| | Marina Erakovic | 4 | 3 | 20 | Kurumi Nara | 5 | 0$^r$ |
| 20 | Kurumi Nara | 6 | 6 | | | | |

#### Eighth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 8 | Annika Beck | 2 | 4 | | | | | |
| WC | Nicole Gibbs | 6 | 6 | | | | | |
| WC | Nicole Gibbs | 6 | 6 | | WC | Nicole Gibbs | 6$^1$ | 4 |
| | | | | | | Lauren Davis | 7$^7$ | 6 |
| | Lauren Davis | 5 | 6 | 6 | | Lauren Davis | 7$^7$ | 6 |
| 21 | Andreea Mitu | 7 | 2 | 3 | | | | |

#### Ninth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 9 | Carina Witthöft | 4 | 4 | | | |
| | Mariana Duque Mariño | 6 | 6 | | | |
| | Mariana Duque Mariño | 6 | 6 | Mariana Duque Mariño | 1 | 4 |
| | | | | Yaroslava Shvedova | 6 | 6 |
| | Yaroslava Shvedova | 6 | 7 | Yaroslava Shvedova | 6 | 6 |
| 23 | Jarmila Gajdošová | 4 | 5 | | | |

#### Tenth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 10 | Lucie Hradecká | 6 | 6 | | | | |
| | Monica Puig | 4 | 4 | | | | |
| | Monica Puig | 4 | 4 | 10 | Lucie Hradecká | 6 | 6 |
| | | | | 16 | Tatjana Maria | 4 | 4 |
| | Evgeniya Rodina | 4 | 2 | 16 | Tatjana Maria | 4 | 4 |
| 16 | Tatjana Maria | 6 | 6 | | | | |

#### Eleventh qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 11 | Christina McHale | 6$^5$ | 6 | 6 | | | | | |
| | Kristýna Plíšková | 7$^7$ | 4 | 1 | | | | | |
| | Kristýna Plíšková | 7$^7$ | 4 | 1 | 11 | Christina McHale | 7$^{11}$ | 2 | 6 |
| | | | | | 18 | Polona Hercog | 6$^9$ | 6 | 4 |
| Alt | Tamira Paszek | 3 | 3 | | 18 | Polona Hercog | 6$^9$ | 6 | 4 |
| 18 | Polona Hercog | 6 | 6 | | | | | | |

#### Twelfth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 12 | Mona Barthel | 6 | 6 | | | | |
| | Elena Vesnina | 1 | 2 | | | | |
| | Elena Vesnina | 1 | 2 | 12 | Mona Barthel | 6 | 6 |
| | | | | 22 | Irina Falconi | 4 | 1 |
| WC | Jennifer Brady | 1 | 3 | 22 | Irina Falconi | 4 | 1 |
| 22 | Irina Falconi | 6 | 6 | | | | |