title: 2017 Porsche Tennis Grand Prix – Singles
text: # 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 | | | | | | | | | | | |
  