Ariake Coliseum
The 2015 Toray Pan Pacific Open was a women's tennis tournament played on outdoor hard courts. It was the 32nd edition of the Pan Pacific Open, and part of the Premier Series of the 2015 WTA Tour. It took place at the Ariake Coliseum in Tokyo, Japan, on 21–27 September 2015. Agnieszka Radwańska won the singles title.