The 2010 Toray Pan Pacific Open was a women's tennis tournament played on 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 through October 2, 2010. Caroline Wozniacki won the singles title.
Champions
Singles
Caroline Wozniacki defeated Elena Dementieva, 1–6, 6–2, 6–3
This is Wozniacki's fifth title of the year and 11th of her career.
Doubles
Iveta Benešová / Barbora Záhlavová-Strýcová defeated Shahar Pe'er / Peng Shuai, 6–4, 4–6, [10–8]
WTA entrants
Seeds
Seeds are based on the rankings of September 20, 2010.
Other entrants
The following players received wildcards into the singles main draw: Kimiko Date-Krumm Ayumi Morita Kurumi Nara
The following players received entry from the qualifying draw: Gréta Arn Iveta Benešová Chang Kai-chen Ekaterina Makarova Christina McHale Laura Robson Coco Vandeweghe Roberta Vinci
The following player received entry by a lucky loser spot: María José Martínez Sánchez