# 2017 Porsche Tennis Grand Prix – Singles

Angelique Kerber was the two-time defending champion, but she lost in the second round to Kristina Mladenovic.
Laura Siegemund won the title, defeating Mladenovic in the final, 6–1, 2–6, 7–6$^{(7–5)}$.
As a result of Kerber's loss, Serena Williams regained the world No. 1 ranking, despite being on pregnancy leave. This tournament also marked the return of Maria Sharapova to the WTA Tour, after serving a 15-month suspension for doping offences.

## Seeds

The top four seeds receive a bye into the second round.
* Angelique Kerber (second round)
* Karolína Plíšková (quarterfinals)
* Dominika Cibulková (withdrew due to a wrist injury)
* Simona Halep (semifinals)
* Garbiñe Muguruza (second round)
* Johanna Konta (second round)
* Agnieszka Radwańska (first round)
* Svetlana Kuznetsova (second round)

## 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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| | Kristina Mladenovic | 3 | 7 | 6 | | | | | |
| WC | Maria Sharapova | 6 | 5 | 4 | | | | | |
| WC | Maria Sharapova | 6 | 5 | 4 | | Kristina Mladenovic | 1 | 6 | 6$^5$ |
| | | | | | WC | Laura Siegemund | 6 | 2 | 7$^7$ |
| 4 | Simona Halep | 4 | 5 | | WC | Laura Siegemund | 6 | 2 | 7$^7$ |
| WC | Laura Siegemund | 6 | 7 | | | | | | |

### Top half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | 1 | A Kerber | 2 | 5 | | | | | | | | | | |
| | K Mladenovic | 6 | 6 | | K Mladenovic | 6 | 7 | | | | | | | | | | |
| | M Lučić-Baroni | 4 | 2 | | | | | | | K Mladenovic | 6 | 6 | | | | | |
| | E Vesnina | 7$^7$ | 6 | | | | | | | C Suárez Navarro | 3 | 2 | | | | | |
| | D Kasatkina | 6$^2$ | 2 | | E Vesnina | 2 | 4 | | | | | | | | | | |
| | C Suárez Navarro | 6 | 6 | | C Suárez Navarro | 6 | 6 | | | | | | | | | | |
| Q | T Korpatsch | 2 | 4 | | | | | | | | | | | K Mladenovic | 3 | 7 | 6 |
| | | | | | | | | | | | | | WC | M Sharapova | 6 | 5 | 4 |
| | | | | 5 | G Muguruza | 6 | 6$^1$ | 1 | | | | | | | | | |
| Q | A Kontaveit | 7$^7$ | 6 | Q | A Kontaveit | 2 | 7$^7$ | 6 | | | | | | | | | |
| | A Konjuh | 6$^5$ | 4 | | | | | | Q | A Kontaveit | 3 | 4 | | | | | |
| WC | M Sharapova | 7 | 6 | | | | | | WC | M Sharapova | 6 | 6 | | | | | |
| | R Vinci | 5 | 3 | WC | M Sharapova | 7 | 6 | | | | | | | | | | |
| | E Makarova | 6 | 6 | | E Makarova | 5 | 1 | | | | | | | | | | |
| 7 | A Radwańska | 2 | 4 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6/WC | J Konta | 7$^7$ | 3 | 6 | | | | | | | | | | | | | |
| Q | N Osaka | 6$^5$ | 6 | 1 | 6/WC | J Konta | 3 | 5 | | | | | | | | | |
| | A Sevastova | 6 | 4 | 6 | | A Sevastova | 6 | 7 | | | | | | | | | |
| | S Stosur | 1 | 6 | 3 | | | | | | A Sevastova | 3 | 1 | | | | | |
| LL | J Brady | 2 | 2 | | | | | | 4 | S Halep | 6 | 6 | | | | | |
| | B Strýcová | 6 | 6 | | | B Strýcová | 2 | 3 | | | | | | | | | |
| | | | | | 4 | S Halep | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | 4 | S Halep | 4 | 5 |
| 8 | S Kuznetsova | 6 | 5 | 6 | | | | | | | | | | WC | L Siegemund | 6 | 7 |
| | K Bertens | 3 | 7 | 3 | 8 | S Kuznetsova | 4 | 3 | | | | | | | | | |
| | S Zhang | 2 | 6$^4$ | | WC | L Siegemund | 6 | 6 | | | | | | | | | |
| WC | L Siegemund | 6 | 7$^7$ | | | | | | WC | L Siegemund | 7$^7$ | 5 | 6 | | | | |
| | C Vandeweghe | 7$^7$ | 7$^7$ | | | | | | 2 | Ka Plíšková | 6$^3$ | 7 | 3 | | | | |
| Q | J Ostapenko | 6$^3$ | 6$^3$ | | | C Vandeweghe | 6$^2$ | 4 | | | | | | | | | |
| | | | | | 2 | Ka Plíšková | 7$^7$ | 6 | | | | | | | | | |

## Qualifying
### Seeds

* Naomi Osaka (qualified)
* Jeļena Ostapenko (qualified)
* Océane Dodin (second round)
* Annika Beck (first round)
* Risa Ozaki (first round)
* Varvara Lepchenko (first round)
* Anett Kontaveit (qualified)
* Jennifer Brady (qualifying competition, Lucky loser)

### Qualifiers

* Naomi Osaka
* Jeļena Ostapenko
* Tamara Korpatsch
* Anett Kontaveit

### Lucky loser

* Jennifer Brady

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Naomi Osaka | 4 | 6 | 6 | | | | | | | | | |
| | Asia Muhammad | 6 | 4 | 2 | | | | | | | | | |
| | Asia Muhammad | 6 | 4 | 2 | 1 | Naomi Osaka | 5 | 6 | 7$^{10}$ | | | | |
| | | | | | WC | Anna Zaja | 7 | 3 | 6$^8$ | | | | |
| WC | Anna Zaja | 6 | 6 | | WC | Anna Zaja | 7 | 3 | 6$^8$ | | | | |
| | Beatriz Haddad Maia | 4 | 3 | | | | | | | | | | |
| | Beatriz Haddad Maia | 4 | 3 | | | | | | | 1 | Naomi Osaka | 7 | 6 |
| | | | | | | | | | | WC | Katharina Hobgarski | 5 | 2 |
| | Sachia Vickery | 6 | 6 | | | | | | | | | | | WC | Katharina Hobgarski | 5 | 2 |
| | Valeriya Solovyeva | 2 | 2 | | | | | | | | | | |
| | Valeriya Solovyeva | 2 | 2 | | | Sachia Vickery | 6 | 6$^8$ | 4 | | | | |
| | | | | | WC | Katharina Hobgarski | 4 | 7$^{10}$ | 6 | | | | |
| WC | Katharina Hobgarski | 3 | 6 | 6 | WC | Katharina Hobgarski | 4 | 7$^{10}$ | 6 | | | | |
| 5 | Risa Ozaki | 6 | 3 | 4 | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Jeļena Ostapenko | 6 | 7$^7$ | | | | | | | | | |
| WC | Lena Rüffer | 2 | 6$^4$ | | | | | | | | | |
| WC | Lena Rüffer | 2 | 6$^4$ | 2 | Jeļena Ostapenko | 6 | 6 | | | | | |
| | | | | | Natalia Vikhlyantseva | 4 | 3 | | | | | |
| | Naomi Broady | 3 | 4 | | Natalia Vikhlyantseva | 4 | 3 | | | | | |
| | Natalia Vikhlyantseva | 6 | 6 | | | | | | | | | |
| | Natalia Vikhlyantseva | 6 | 6 | | | | | 2 | Jeļena Ostapenko | 5 | 6 | 6 |
| | | | | | | | | 8 | Jennifer Brady | 7 | 1 | 3 |
| | Lesley Kerkhove | 7 | 6 | | | | | | | | | | 8 | Jennifer Brady | 7 | 1 | 3 |
| WC | Katharina Gerlach | 5 | 4 | | | | | | | | | |
| WC | Katharina Gerlach | 5 | 4 | | Lesley Kerkhove | 5 | 2 | | | | | |
| | | | | 8 | Jennifer Brady | 7 | 6 | | | | | |
| | Virginie Razzano | 4 | 1 | 8 | Jennifer Brady | 7 | 6 | | | | | |
| 8 | Jennifer Brady | 6 | 6 | | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Océane Dodin | 6 | 6 | | | | | | | | | | |
| | Katarzyna Piter | 3 | 4 | | | | | | | | | | |
| | Katarzyna Piter | 3 | 4 | | 3 | Océane Dodin | 6 | 3 | 6$^3$ | | | | |
| | | | | | | Tamara Korpatsch | 2 | 6 | 7$^7$ | | | | |
| | Tamara Korpatsch | 6 | 6 | | | Tamara Korpatsch | 2 | 6 | 7$^7$ | | | | |
| | Ana Bogdan | 3 | 1 | | | | | | | | | | |
| | Ana Bogdan | 3 | 1 | | | | | | | Tamara Korpatsch | 6 | 4 | 6 |
| | | | | | | | | | | Evgeniya Rodina | 2 | 6 | 1 |
| | Camila Giorgi | 6 | 3 | 3 | | | | | | | | | | Evgeniya Rodina | 2 | 6 | 1 |
| PR | Dinah Pfizenmaier | 3 | 6 | 6 | | | | | | | | | |
| PR | Dinah Pfizenmaier | 3 | 6 | 6 | PR | Dinah Pfizenmaier | 2 | 1 | | | | | |
| | | | | | | Evgeniya Rodina | 6 | 6 | | | | | |
| | Evgeniya Rodina | 2 | 6 | 6 | | Evgeniya Rodina | 6 | 6 | | | | | |
| 6 | Varvara Lepchenko | 6 | 1 | 3 | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Annika Beck | 6$^4$ | 4 | | | | | | | | | | | |
| | Lucie Hradecká | 7$^7$ | 6 | | | | | | | | | | | |
| | Lucie Hradecká | 7$^7$ | 6 | | | Lucie Hradecká | 6 | 4 | 6 | | | | | |
| | | | | | | Amra Sadiković | 3 | 6 | 3 | | | | | |
| | Isabella Shinikova | 0 | 6 | 3 | | Amra Sadiković | 3 | 6 | 3 | | | | | |
| | Amra Sadiković | 6 | 4 | 6 | | | | | | | | | | |
| | Amra Sadiković | 6 | 4 | 6 | | | | | | | Lucie Hradecká | 3 | 7$^7$ | 1 |
| | | | | | | | | | | 7 | Anett Kontaveit | 6 | 6$^0$ | 6 |
| | Antonia Lottner | 7 | 1 | 6 | | | | | | | | | | | 7 | Anett Kontaveit | 6 | 6$^0$ | 6 |
| | Mariana Duque Mariño | 5 | 6 | 4 | | | | | | | | | | |
| | Mariana Duque Mariño | 5 | 6 | 4 | | Antonia Lottner | 3 | 4 | | | | | | |
| | | | | | 7 | Anett Kontaveit | 6 | 6 | | | | | | |
| | Kateryna Bondarenko | 5 | 3 | | 7 | Anett Kontaveit | 6 | 6 | | | | | | |
| 7 | Anett Kontaveit | 7 | 6 | | | | | | | | | | | |