2017 Mallorca Open – Singles

Caroline Garcia was the defending champion, but lost in the semifinals to Anastasija Sevastova in a rematch of the previous year's final.

Sevastova went on to win the title, defeating Julia Görges in the final, 6–4, 3–6, 6–3.

The tournament marked the return of Victoria Azarenka from maternity leave. She lost in the second round to Ana Konjuh.

Seeds
• #🇷🇺 Anastasia Pavlyuchenkova (second round)

• # Anastasija Sevastova (champion)

• #🇫🇷 Caroline Garcia (semifinals)

• #🇪🇸 Carla Suárez Navarro (first round)

• # Kiki Bertens (first round, retired)

• #🇮🇹 Roberta Vinci (quarterfinals)

• # Ana Konjuh (quarterfinals)

• #🇭🇺 Tímea Babos (first round)

Seeds
• # 🇩🇪 Carina Witthöft (qualifying competition)

• # 🇮🇹 Sara Errani (qualifying competition, Lucky loser)

• # 🇧🇪 Kirsten Flipkens (qualified)

• # Verónica Cepede Royg (qualified)

• # 🇧🇪 Yanina Wickmayer (qualifying competition)

• # 🇧🇾 Aliaksandra Sasnovich (first round)

• # 🇧🇷 Beatriz Haddad Maia (qualified)

• # 🇸🇰 Jana Čepelová (qualified)

• # 🇹🇳 Ons Jabeur (qualified)

• # 🇨🇴 Mariana Duque Mariño (first round)

• # 🇷🇺 Anna Kalinskaya (qualified)

• # 🇨🇿 Tereza Martincová (qualifying competition)

Qualifiers
• # 🇷🇺 Anna Kalinskaya

• # 🇸🇰 Jana Čepelová

• # 🇧🇪 Kirsten Flipkens

• # Verónica Cepede Royg

• # 🇹🇳 Ons Jabeur

• # 🇧🇷 Beatriz Haddad Maia

Lucky loser

 * 1) 🇮🇹 Sara Errani