2015 Rio Open – Women's singles

Kurumi Nara was the defending champion, but chose to compete in Dubai instead.

Sara Errani won the title, defeating Anna Karolína Schmiedlová in the final, despite being three match points down against Beatriz Haddad Maia in the second set in their quarterfinal match.

Seeds
• # 🇮🇹 Sara Errani (champion)

• # 🇷🇴 Irina-Camelia Begu (semifinals)

• # 🇮🇹 Roberta Vinci (second round)

• # 🇺🇸 Madison Brengle (second round)

• # 🇸🇪 Johanna Larsson (semifinals)

• # 🇸🇰 Anna Karolína Schmiedlová (final)

• # Polona Hercog (second round)

• # Chanelle Scheepers (first round)

Seeds
• # Petra Martić (first round; retired)

• # Verónica Cepede Royg (qualified)

• # 🇱🇮 Stephanie Vogt (first round)

• # 🇧🇬 Elitsa Kostova (first round)

• # 🇦🇷 María Irigoyen (qualified)

• # 🇷🇴 Ana Bogdan (qualified)

• # 🇧🇪 Ysaline Bonaventure (qualifying competition)

• # 🇵🇪 Bianca Botto (qualifying competition; retired)

• # 🇪🇸 Sara Sorribes Tormo (qualified)

• # 🇦🇷 Florencia Molinero (qualifying competition)

• # 🇸🇪 Rebecca Peterson (qualifying competition)

• # 🇪🇸 Beatriz García Vidagany (qualifying competition)

Qualifiers
• # 🇪🇸 Estrella Cabeza Candela

• # Verónica Cepede Royg

• # 🇪🇸 Sara Sorribes Tormo

• # Montserrat González

• # 🇦🇷 María Irigoyen

• # 🇷🇴 Ana Bogdan