2012 HP Open

The 2012 HP Open was a women's tennis tournament played on outdoor hard courts sponsored by Hewlett-Packard. It was the fourth edition of the HP Open, and part of the WTA International tournaments of the 2012 WTA Tour. It was held at the Utsubo Tennis Center in Osaka, Japan, from October 8 through October 14, 2012. Heather Watson won the singles title.

Singles

 * 🇬🇧 Heather Watson defeated Chang Kai-chen 7–5, 5–7, 7–6(7–4)

Doubles

 * 🇺🇸 Raquel Kops-Jones / 🇺🇸 Abigail Spears defeated 🇯🇵 Kimiko Date-Krumm / 🇬🇧 Heather Watson 6–1, 6–4

Seeds

 * Rankings are as of October 1, 2012

Other entrants
The following players received wildcards into the singles main draw:
 * 🇯🇵 Kurumi Nara
 * 🇮🇹 Francesca Schiavone
 * 🇹🇭 Tamarine Tanasugarn

The following players received entry from the qualifying draw:
 * 🇹🇭 Nudnida Luangnam
 * 🇷🇺 Olga Puchkova
 * 🇹🇭 Luksika Kumkhum
 * 🇨🇳 Zhou Yimiao

Withdrawals

 * 🇭🇺 Tímea Babos
 * 🇨🇿 Petra Cetkovská
 * 🇭🇺 Melinda Czink
 * 🇳🇿 Marina Erakovic
 * 🇧🇾 Olga Govortsova
 * Michaëlla Krajicek
 * 🇱🇺 Mandy Minella
 * 🇮🇱 Shahar Pe'er
 * 🇺🇸 Sloane Stephens
 * 🇺🇸 CoCo Vandeweghe
 * 🇰🇿 Galina Voskoboeva
 * 🇨🇦 Aleksandra Wozniak

Retirements

 * 🇮🇹 Francesca Schiavone (right wrist injury)

Seeds

 * 1 Rankings are as of October 1, 2012

Other entrants
The following pair received wildcard into the doubles main draw:
 * 🇯🇵 Kurumi Nara / 🇯🇵 Erika Sema

Retirements

 * Eleni Daniilidou (right hamstring strain)