| Champ: |  Agnieszka Radwańska |
| Runner: | Belinda Bencic |
| Score: | 6–2, 6–2 |
| Type: | singles doubles |
| Draw: | 28 (4 / 2) |
| Seeds: | 8 |
| Before Name: | Toray Pan Pacific Open – Singles |
| After Name: | Toray Pan Pacific Open – Singles |
| Main Name: | Pan Pacific Open |
See main article: 2015 Toray Pan Pacific Open.
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.
The top four seeds received a bye into the second round.