| 2011 HP Open | ||||
|---|---|---|---|---|
| Date | 10–16 October | |||
| Edition | 3rd | |||
| Category | WTA International tournaments | |||
| Surface | Hard / outdoor | |||
| Location | Osaka, Japan | |||
| Venue | Utsubo Tennis Center | |||
| Champions | ||||
| Singles | ||||
 Marion Bartoli | ||||
| Doubles | ||||
 Kimiko Date-Krumm / Zhang Shuai | ||||
| ||||
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The2011 HP Open was atennis tournament played on outdoorhard courts. It was the third edition of theHP Open, and part of theWTA International tournaments of the2011 WTA Tour. It was held at theUtsubo Tennis Center inOsaka, Japan, from October 10 through October 16, 2011.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 AUS | Samantha Stosur | 7 | 1 |
| FRA | Marion Bartoli | 10 | 2 |
 GER | Angelique Kerber | 30 | 3 |
 CZE | Petra Cetkovská | 32 | 4 |
| AUS | Jarmila Gajdošová | 34 | 5 |
| JPN | Ayumi Morita | 40 | 6 |
 RSA | Chanelle Scheepers | 41 | 7 |
 USA | Christina McHale | 49 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Marion Bartoli def.Samantha Stosur, 6–3, 6–1
Kimiko Date-Krumm /Zhang Shuai def.Vania King /
Yaroslava Shvedova, 7–5, 3–6, [11–9]
