2016 Toray Pan Pacific Open
The 2016 Toray Pan Pacific Open was a women's tennis tournament played on outdoor hard courts. It was the 33rd edition of the Pan Pacific Open, and part of the Premier Series of the 2016 WTA Tour. It took place at the Ariake Coliseum in Tokyo, Japan, on 19–25 September 2016. Caroline Wozniacki won the singles title.
Singles main-draw entrants
Seeds
- Rankings are as of September 12, 2016
Other entrants
The following players received wild cards into the main singles draw:The following players received entry from the singles qualifying draw:
Withdrawals
;Before the tournament- Simona Halep → replaced by Caroline Wozniacki
- Samantha Stosur → replaced by Madison Brengle
- Sloane Stephens → replaced by Anastasija Sevastova
- Daria Gavrilova → replaced by Varvara Lepchenko
Doubles main-draw entrants
Seeds
- Rankings are as of September 12, 2016