2023-09-25 Tokyo

The 2023 Pan Pacific Open (known as Toray Pan Pacific Open for sponsorship reasons) was a women's tennis tournament played on outdoor courts in Tokyo, Japan, that was part of the WTA 500 series of tournaments on the 2023 WTA Tour. It was the 38th edition of the Pan Pacific Open and was held 25 September – 1 October.

Singles

 * Seeds
 * Natsumi Kawaguchi withdrew after qualifyng for the main draw.
 * Draw