2015 Toray Pan Pacific Open – Singles

Ana Ivanovic was the defending champion, but she lost in the quarterfinals to Dominika Cibulková.

Agnieszka Radwańska won the title, defeating Belinda Bencic in the final, 6–2, 6–2.

Seeds
The top four seeds received a bye into the second round. • # Caroline Wozniacki (semifinals)

• # 🇷🇸 Ana Ivanovic (quarterfinals)

• # 🇪🇸 Garbiñe Muguruza (quarterfinals)

• # 🇨🇿 Karolína Plíšková (quarterfinals)

• # 🇩🇪 Angelique Kerber (quarterfinals)

• # 🇪🇸 Carla Suárez Navarro (second round)

• # 🇵🇱 Agnieszka Radwańska (champion)

• # Belinda Bencic (final)

Seeds
• # Ana Konjuh (qualified)

• # 🇦🇺 Jarmila Gajdošová (qualifying competition)

• # 🇺🇦 Kateryna Bondarenko (qualified)

• # 🇧🇬 Sesil Karatantcheva (second round)

• # 🇷🇴 Patricia Maria Țig (second round)

• # 🇯🇵 Nao Hibino (qualifying competition)

• # Stefanie Vögele (second round)

• # 🇯🇵 Risa Ozaki (qualifying competition)

Qualifiers
• # Ana Konjuh

• # 🇨🇳 Xu Yifan

• # 🇺🇦 Kateryna Bondarenko

• # 🇺🇦 Olga Savchuk