| Singles | |
|---|---|
| 2015 Porsche Tennis Grand Prix | |
| Champion |  Angelique Kerber |
| Runner-up |  Caroline Wozniacki |
| Final score | 3–6, 6–1, 7–5 |
Maria Sharapova was the three-time defending champion, but lost in the second round to Angelique Kerber.
Kerber went on to win the title, defeating Caroline Wozniacki in the final, 3–6, 6–1, 7–5.
The top four seeds receive a bye into the second round.
Maria Sharapova (second round)
Simona Halep (semifinals)
Petra Kvitová (second round) Caroline Wozniacki (final)
Ana Ivanovic (first round) Ekaterina Makarova (quarterfinals)
Agnieszka Radwańska (first round)
Carla Suárez Navarro (quarterfinals)| Semifinals | Final | ||||||||||||
| Angelique Kerber | 6 | 6 | |||||||||||
 Madison Brengle | 3 | 1 | |||||||||||
| Angelique Kerber | 3 | 6 | 7 | ||||||||||
| 4 | Caroline Wozniacki | 6 | 1 | 5 | |||||||||
| 4 | Caroline Wozniacki | 7 | 5 | 6 | |||||||||
| 2 | Simona Halep | 5 | 7 | 2 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Sharapova | 6 | 5 | 1 | |||||||||||||||||||||||
| LL | A Glatch | 2 | 5 | A Kerber | 2 | 7 | 6 | ||||||||||||||||||||
| A Kerber | 6 | 7 | A Kerber | 6 | 6 | ||||||||||||||||||||||
| Q |  P Martić | 4 | 2 | 6 | E Makarova | 3 | 2 | ||||||||||||||||||||
| LL | M Melnikova | 6 | 6 | LL | M Melnikova | 2 | 3 | ||||||||||||||||||||
| Q | B Mattek-Sands | 4 | 63 | 6 | E Makarova | 6 | 6 | ||||||||||||||||||||
| 6 | E Makarova | 6 | 77 | A Kerber | 6 | 6 | |||||||||||||||||||||
| M Brengle | 3 | 1 | |||||||||||||||||||||||||
| 3 | P Kvitová | 3 | 62 | ||||||||||||||||||||||||
| LL |  A Brianti | 4 | 4 | M Brengle | 6 | 77 | |||||||||||||||||||||
| M Brengle | 6 | 6 | M Brengle | 3 | 6 | 6 | |||||||||||||||||||||
| WC | C Witthöft | 7 | 6 |  C Garcia | 6 | 3 | 3 | ||||||||||||||||||||
| M Barthel | 5 | 3 | WC | C Witthöft | 64 | 2 | |||||||||||||||||||||
| C Garcia | 78 | 6 | C Garcia | 77 | 6 | ||||||||||||||||||||||
| 5 | A Ivanovic | 66 | 4 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | C Suárez Navarro | 6 | 65 | 6 | |||||||||||||||||||||||
| Q | E Rodina | 2 | 77 | 4 | 8 | C Suárez Navarro | 6 | 77 | |||||||||||||||||||
| WC | J Görges | 6 | 3 | 5 |  B Bencic | 4 | 61 | ||||||||||||||||||||
| B Bencic | 3 | 6 | 7 | 8 | C Suárez Navarro | 0 | 3 | ||||||||||||||||||||
| Q |  K Bondarenko | 68 | 4 | 4 | C Wozniacki | 6 | 6 | ||||||||||||||||||||
| L Šafářová | 710 | 6 | L Šafářová | 65 | 1 | ||||||||||||||||||||||
| 4 | C Wozniacki | 77 | 6 | ||||||||||||||||||||||||
| 4 | C Wozniacki | 7 | 5 | 6 | |||||||||||||||||||||||
| 7 | A Radwańska | 68 | 4 | 2 | S Halep | 5 | 7 | 2 | |||||||||||||||||||
| S Errani | 710 | 6 | S Errani | 6 | 6 | ||||||||||||||||||||||
| S Lisicki | 0 | 0 |  Z Diyas | 4 | 1 | ||||||||||||||||||||||
| Z Diyas | 6 | 6 | S Errani | 4 | 4 | ||||||||||||||||||||||
| B Strýcová | 1 | 4 | 2 | S Halep | 6 | 6 | |||||||||||||||||||||
| G Muguruza | 6 | 6 | G Muguruza | 6 | 1 | 3 | |||||||||||||||||||||
| 2 | S Halep | 3 | 6 | 6 | |||||||||||||||||||||||
Tsvetana Pironkova (first round)
Kirsten Flipkens (second round, retired) Kateřina Siniaková (second round) Annika Beck (first round) Evgeniya Rodina (qualified) Denisa Allertová (second round) Ana Konjuh (second round) Magda Linette (second round)| First round | Second round | Qualifying competition | ||||||||||||||||||
| 1 | Tsvetana Pironkova | 3 | 4 | |||||||||||||||||
| Bethanie Mattek-Sands | 6 | 6 | ||||||||||||||||||
| Bethanie Mattek-Sands | 6 | 77 | ||||||||||||||||||
| Anna-Lena Friedsam | 2 | 64 | ||||||||||||||||||
| Anna-Lena Friedsam | 6 | 0 | ||||||||||||||||||
| Dinah Pfizenmaier | 1 | 0r | ||||||||||||||||||
| Bethanie Mattek-Sands | 6 | 6 | ||||||||||||||||||
| Alberta Brianti | 1 | 2 | ||||||||||||||||||
 Risa Ozaki | 0 | 4 | ||||||||||||||||||
| Alberta Brianti | 6 | 6 | ||||||||||||||||||
| Alberta Brianti | 0 | 77 | 7 | |||||||||||||||||
| 8 | Magda Linette | 6 | 64 | 5 | ||||||||||||||||
| WC | Antonia Lottner | 4 | 2 | |||||||||||||||||
| 8 | Magda Linette | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 2 | Kirsten Flipkens | 6 | 6 | |||||||||||||||||
 Kristína Kučová | 0 | 3 | ||||||||||||||||||
| 2 | Kirsten Flipkens | 1r | ||||||||||||||||||
| Marina Melnikova | 2 | |||||||||||||||||||
| WC | Lena Rüffer | 4 | 4 | |||||||||||||||||
| Marina Melnikova | 6 | 6 | ||||||||||||||||||
| Marina Melnikova | 2 | 2 | ||||||||||||||||||
| 5 | Evgeniya Rodina | 6 | 6 | |||||||||||||||||
 Patricia Mayr-Achleitner | 2 | 0 | ||||||||||||||||||
| WC | Katharina Hobgarski | 6 | 6 | |||||||||||||||||
| WC | Katharina Hobgarski | 3 | 0 | |||||||||||||||||
| 5 | Evgeniya Rodina | 6 | 6 | |||||||||||||||||
| Barbora Krejčíková | 4 | 2 | ||||||||||||||||||
| 5 | Evgeniya Rodina | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 3 | Kateřina Siniaková | 6 | 7 | |||||||||||||||||
 Stephanie Vogt | 4 | 5 | ||||||||||||||||||
| 3 | Kateřina Siniaková | 2 | 2 | |||||||||||||||||
| Kateryna Bondarenko | 6 | 6 | ||||||||||||||||||
| Kateryna Bondarenko | 6 | 6 | ||||||||||||||||||
| WC | Katharina Gerlach | 2 | 1 | |||||||||||||||||
| Kateryna Bondarenko | 0 | 6 | 6 | |||||||||||||||||
| Alexa Glatch | 6 | 4 | 4 | |||||||||||||||||
| Alexa Glatch | 77 | 6 | ||||||||||||||||||
| Yulia Putintseva | 61 | 4 | ||||||||||||||||||
| Alexa Glatch | 6 | 3 | 6 | |||||||||||||||||
| 7 | Ana Konjuh | 3 | 6 | 2 | ||||||||||||||||
| Paula Kania | 62 | 3 | ||||||||||||||||||
| 7 | Ana Konjuh | 77 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 4 | Annika Beck | 1 | 0 | |||||||||||||||||
| Petra Martić | 6 | 6 | ||||||||||||||||||
| Petra Martić | 77 | 4 | 6 | |||||||||||||||||
| Sesil Karatantcheva | 62 | 6 | 2 | |||||||||||||||||
| Stéphanie Foretz | 3 | 3 | ||||||||||||||||||
| Sesil Karatantcheva | 6 | 6 | ||||||||||||||||||
| Petra Martić | 3 | 77 | 6 | |||||||||||||||||
| Yuliya Beygelzimer | 6 | 65 | 4 | |||||||||||||||||
| Yuliya Beygelzimer | 3 | 6 | 6 | |||||||||||||||||
 Nigina Abduraimova | 6 | 1 | 3 | |||||||||||||||||
| Yuliya Beygelzimer | 5 | 6 | 6 | |||||||||||||||||
| 6 | Denisa Allertová | 7 | 4 | 1 | ||||||||||||||||
| Virginie Razzano | 6 | 4 | 0r | |||||||||||||||||
| 6 | Denisa Allertová | 1 | 6 | 0 | ||||||||||||||||
Jelena Janković was the defending champion, but lost to compatriot Ana Ivanovic in the fourth round.
Caroline Wozniacki was the defending champion, but was defeated in the fourth round by Ana Ivanovic.
Petra Kvitová was the defending champion, but lost to qualifier Lucie Hradecká in the second round.
Maria Sharapova was the defending champion, and she successfully defended her title, defeating Li Na in the final, 4–6, 6–4, 7–6(7–5). She did so after coming back from a set and a double break deficit in the second set, and saving a match point in the third set, in the final.
Victoria Azarenka was the defending champion, and successfully defended her title, defeating Li Na in the final 4–6, 6–4, 6–3 to win the women's singles tennis title at the 2013 Australian Open.
World No. 1 Victoria Azarenka successfully defended her title, beating world no. 2 Serena Williams in the final, 7–6(8–6), 2–6, 6–3.
Victoria Azarenka was the defending champion, but withdrew before her quarterfinal match against Caroline Wozniacki.
Agnieszka Radwańska was the defending champion, but lost 6–0, 6–3 in the semifinals to the eventual champion Serena Williams.
Serena Williams successfully defended her title by defeating Maria Sharapova in the final, 6–1, 6–4.
Serena Williams was the two-time defending champion, but withdrew before her quarterfinal match because of a left thigh injury.
Serena Williams was the defending champion, but withdrew before her quarterfinal match with a knee injury.
Serena Williams defeated Maria Sharapova in the final, 6–3, 7–6(7–5) to win the women's singles tennis title at the 2015 Australian Open. It was her sixth Australian Open singles title and her 19th major singles title overall.
Venus Williams was the defending champion, but lost in the third round to Lucie Šafářová.
Flavia Pennetta was the defending champion, but lost in the quarterfinals to Sabine Lisicki.
Serena Williams was the two-time defending champion and successfully defended her title, beating Carla Suárez Navarro in the final, 6–2, 6–0. Williams won the title for the record 8th time in her career. This is also the second to last WTA tournament played by Nicole Vaidišová, who received a wildcard and lost to Simona Halep in the second round.
Maria Sharapova was the defending champion but lost to Svetlana Kuznetsova in the semifinals.
Lucie Šafářová was the defending champion, but lost to Çağla Büyükakçay in the second round.
Serena Williams was the three-time defending champion, but lost in the fourth round to Svetlana Kuznetsova.
Victoria Azarenka was the defending champion, but did not participate this year as she was on maternity leave.
Elena Vesnina was the defending champion, but lost in the third round to Angelique Kerber.