2011 HP Open

The 2011 HP Open was a tennis tournament played on outdoor hard courts. It was the third edition of the HP Open, and part of the WTA International tournaments of the 2011 WTA Tour. It was held at the Utsubo Tennis Center in Osaka, Japan, from October 10 through October 16, 2011.

Seeds

 * Seeds are based on the rankings of October 3, 2011.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇫🇷 Marion Bartoli
 * 🇯🇵 Aiko Nakamura
 * 🇯🇵 Kurumi Nara

The following players received entry from the qualifying draw:


 * 🇯🇵 Shuko Aoyama
 * 🇹🇭 Noppawan Lertcheewakarn
 * 🇯🇵 Erika Sema
 * 🇰🇿 Yaroslava Shvedova

Singles
🇫🇷 Marion Bartoli def. 🇦🇺 Samantha Stosur, 6–3, 6–1
 * It was Bartoli' 2nd title of the year and the 7th of her career.

Doubles
🇯🇵 Kimiko Date-Krumm / 🇨🇳 Zhang Shuai def. 🇺🇸 Vania King / 🇰🇿 Yaroslava Shvedova, 7–5, 3–6, [11–9]