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. Unseeded Heather Watson won the singles title.
Finals
Singles
- Heather Watson defeated Chang Kai-chen 7–5, 5–7, 7–6
Doubles
- Raquel Kops-Jones / Abigail Spears defeated Kimiko Date-Krumm / Heather Watson 6–1, 6–4
Singles main-draw entrants
Seeds
Other entrants
The following players received wildcards into the singles main draw:The following players received entry from the qualifying draw:
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
Doubles main-draw entrants
Seeds
- 1 Rankings are as of October 1, 2012