| Singles | |
|---|---|
| 2015 Open GDF Suez de Cagnes-sur-Mer Alpes-Maritimes | |
| Champion |  Carina Witthöft |
| Runner-up | Tatjana Maria |
| Final score | 7–5, 6–1 |
Sharon Fichman was the defending champion, but lost in the quarterfinals to top seed Carina Witthöft.
Witthöft then won the title, defeating Tatjana Maria in an all-German final, 7–5, 6–1.
Carina Witthöft (champion)
Shelby Rogers (first round)
Daria Gavrilova (quarterfinals)
Teliana Pereira (second round) Irina Falconi (second round)
Kiki Bertens (semifinals) Tatjana Maria (final)
Pauline Parmentier (semifinals)| Semifinals | Final | ||||||||||||
| 1 | Carina Witthöft | 6 | 1 | 6 | |||||||||
| 6 | Kiki Bertens | 1 | 6 | 1 | |||||||||
| 1 | Carina Witthöft | 7 | 6 | ||||||||||
| 7 | Tatjana Maria | 5 | 1 | ||||||||||
| 8 | Pauline Parmentier | 6 | 4 | 4 | |||||||||
| 7 | Tatjana Maria | 2 | 6 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | C Witthöft | 2 | 6 | 6 | |||||||||||||||||||||||
| N Gibbs | 6 | 4 | 2 | 1 | C Witthöft | 6 | 6 | ||||||||||||||||||||
 Ç Büyükakçay | 6 | 6 | Ç Büyükakçay | 1 | 1 | ||||||||||||||||||||||
| Q | T Korpatsch | 4 | 1 | 1 | C Witthöft | 77 | 6 | ||||||||||||||||||||
| WC |  S Fichman | 6 | 6 | WC | S Fichman | 63 | 2 | ||||||||||||||||||||
 N Abduraimova | 3 | 4 | WC | S Fichman | 2 | 6 | 6 | ||||||||||||||||||||
| Q |  R Zarazúa | 1 | 0 | 5 | I Falconi | 6 | 2 | 3 | |||||||||||||||||||
| 5 | I Falconi | 6 | 6 | 1 | C Witthöft | 6 | 1 | 6 | |||||||||||||||||||
| 4 | T Pereira | 6 | 6 | 6 | K Bertens | 1 | 6 | 1 | |||||||||||||||||||
| PR |  T Paszek | 1 | 0 | 4 | T Pereira | 6 | 4 | 4 | |||||||||||||||||||
 A Sasnovich | 77 | 6 | A Sasnovich | 3 | 6 | 6 | |||||||||||||||||||||
 J Glushko | 63 | 2 | A Sasnovich | 65 | 4 | ||||||||||||||||||||||
| Q |  O Rogowska | 1 | 4 | 6 | K Bertens | 77 | 6 | ||||||||||||||||||||
| Q |  Y Bonaventure | 6 | 6 | Q | Y Bonaventure | 2 | 1 | ||||||||||||||||||||
 M Zanevska | 5 | 2 | 6 | K Bertens | 6 | 6 | |||||||||||||||||||||
| 6 | K Bertens | 7 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | P Parmentier | 6 | 77 | ||||||||||||||||||||||||
| E Kulichkova | 1 | 65 | 8 | P Parmentier | 3 | 6 | 6 | ||||||||||||||||||||
 T Mrdeža | 1 | 4 |  M Linette | 6 | 0 | 3 | |||||||||||||||||||||
| M Linette | 6 | 6 | 8 | P Parmentier | 78 | 6 | |||||||||||||||||||||
| O Dodin | 1 | 4 | 3 | D Gavrilova | 66 | 4 | |||||||||||||||||||||
 J Konta | 6 | 6 | J Konta | 6 | 4 | 2 | |||||||||||||||||||||
| WC | F Ferro | 3 | 2 | 3 | D Gavrilova | 2 | 6 | 6 | |||||||||||||||||||
| 3 | D Gavrilova | 6 | 6 | 8 | P Parmentier | 6 | 4 | 4 | |||||||||||||||||||
| 7 | T Maria | 6 | 7 | 7 | T Maria | 2 | 6 | 6 | |||||||||||||||||||
 R Oprandi | 1 | 5 | 7 | T Maria | 6 | 6 | |||||||||||||||||||||
| WC | V Razzano | 6 | 1 | 4 | WC | M Johansson | 3 | 2 | |||||||||||||||||||
| WC | M Johansson | 4 | 6 | 6 | 7 | T Maria | 6 | 4 | 6 | ||||||||||||||||||
 Y Putintseva | 6 | 6 | Y Putintseva | 1 | 6 | 3 | |||||||||||||||||||||
 K Kučová | 1 | 1 | Y Putintseva | 6 | 6 | ||||||||||||||||||||||
| A Van Uytvanck | 6 | 6 | A Van Uytvanck | 2 | 1 | ||||||||||||||||||||||
| 2 | S Rogers | 2 | 1 | ||||||||||||||||||||||||
Polona Hercog successfully defended her title after defeating Mathilde Johansson in the final 0–6, 6–4, 7–5.
Sandra Záhlavová was the defending champion, having won the event in 2012, but chose not to compete in 2013.
Teliana Pereira was the defending champion, having won the previous event in 2013, but retired in the semifinals against Alberta Brianti.
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.
Eugenie Bouchard was the defending champion, but chose not to participate this year.
Ana Ivanovic was the defending champion, but lost in the second round to Michelle Larcher de Brito.
Mona Barthel was the defending champion, but she lost to Johanna Larsson in the final, 3–6, 6–7(2–7).
Kateryna Kozlova was the defending champion, but was facing a six month doping ban for taking a drug containing the banned substance 1,3-Dimethylbutylamine.
Serena Williams was the defending champion and successfully defended her title, defeating Simona Halep in the final, 6–3, 7–6(7–5).
Angelique Kerber was the defending champion and successfully defended her title, defeating Laura Siegemund in the final, 6–4, 6–0.
Carina Witthöft was the defending champion, but lost in the final to Magda Linette, 3–6, 5–7.
Pauline Parmentier was the defending champion, but chose not to participate.
María Teresa Torró Flor was the defending champion, but lost in the first round to Denisa Allertová.
Anastasia Pavlyuchenkova was the defending champion, but lost in the quarterfinals to Dominika Cibulková.
Misaki Doi was the defending champion, but lost in the first round to Lauren Davis.
Victoria Azarenka was the defending champion, but did not participate this year as she was on maternity leave.
Magda Linette was the defending champion, but she chose to participate at the 2017 Mutua Madrid Open instead.
Agnieszka Radwańska was the defending champion, but lost in the third round to Daria Kasatkina.
Monica Niculescu was the defending champion, but lost in the first round to Pauline Parmentier.
Laura Siegemund was the defending champion, but lost in the second round to CoCo Vandeweghe.