The 2010 Toray Pan Pacific Open was women's tennis tournament played on the outdoor hard courts. It was the 27th edition of the Toray Pan Pacific Open, and was part of the Premier Series of the 2010 WTA Tour. It took place at the Ariake Coliseum in Tokyo, Japan, from September 26 to October 2, 2010. Caroline Wozniacki won the singles title.

Champions

Singles

Caroline Wozniacki defeated 🇷🇺 Elena Dementieva, 1–6, 6–2, 6–3

Doubles

🇨🇿 Iveta Benešová / 🇨🇿 Barbora Záhlavová-Strýcová defeated 🇮🇱 Shahar Pe'er / 🇨🇳 Peng Shuai, 6–4, 4–6, [10–8]

WTA entrants

Seeds

Other entrants

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following player received entry by a lucky loser spot:

Notable withdrawals