# 2012 HP Open – Singles

Marion Bartoli was the defending champion, but chose not to compete.
Heather Watson won the title after a marathon 3 hour 12 minute battle with Chang Kai-chen. The match saw Watson hold match point before Chang came back and won the second set. Chang went up a break and had multiple match points at 5–4 before Watson broke and won a final-set tiebreak. Watson won by a score of 7–5, 5–7, 7–6$^{(7–4)}$. Watson became the first British player to win the WTA Tour level since Sara Gomer in the 1988 Women's California State Championships.

## Seeds

* Samantha Stosur (semifinals)
* Zheng Jie (second round)
* Christina McHale (first round)
* Francesca Schiavone (first round, retired)
* Yaroslava Shvedova (first round)
* Anabel Medina Garrigues (second round)
* Chanelle Scheepers (quarterfinals)
* Laura Robson (quarterfinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Samantha Stosur | 4 | 6 | 6$^3$ | | | | |
| | Chang Kai-chen | 6 | 4 | 7$^7$ | | | | |
| | Chang Kai-chen | 6 | 4 | 7$^7$ | Chang Kai-chen | 5 | 7 | 6$^4$ |
| | | | | | Heather Watson | 7 | 5 | 7$^7$ |
| | Misaki Doi | 6$^2$ | 5 | | Heather Watson | 7 | 5 | 7$^7$ |
| | Heather Watson | 7$^7$ | 7 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | S Stosur | 6 | 6 | | | | | | | | | | | | | | | | |
| | E Sema | 4 | 2 | | 1 | S Stosur | 1 | 6 | 6 | | | | | | | | | | |
| Q | N Luangnam | 3 | 3 | | | V Razzano | 6 | 2 | 4 | | | | | | | | | | |
| | V Razzano | 6 | 6 | | | | | | | 1 | S Stosur | 6 | 6 | | | | | | |
| | A Morita | 3 | 2 | | | | | | | | J Hampton | 2 | 4 | | | | | | |
| | J Hampton | 6 | 6 | | | J Hampton | 7 | 7 | | | | | | | | | | | |
| WC | T Tanasugarn | 6 | 6 | | WC | T Tanasugarn | 5 | 5 | | | | | | | | | | | |
| 5 | Y Shvedova | 3 | 2 | | | | | | | | | | | | 1 | S Stosur | 4 | 6 | 6$^3$ |
| 3 | C McHale | 3 | 6$^5$ | | | | | | | | | | | | | K-c Chang | 6 | 4 | 7$^7$ |
| | K-c Chang | 6 | 7$^7$ | | | K-c Chang | 7$^7$ | 6 | | | | | | | | | | | |
| | K Date-Krumm | 3 | 6 | 4 | | C Dellacqua | 6$^4$ | 3 | | | | | | | | | | | |
| | C Dellacqua | 6 | 3 | 6 | | | | | | | K-c Chang | 6 | 3 | 7$^7$ | | | | | |
| Q | Y Zhou | 7 | 6 | | | | | | | 8 | L Robson | 4 | 6 | 6$^4$ | | | | | |
| WC | K Nara | 5 | 4 | | Q | Y Zhou | 4 | 4 | | | | | | | | | | | |
| | E Daniilidou | 4 | 2 | | 8 | L Robson | 6 | 6 | | | | | | | | | | | |
| 8 | L Robson | 6 | 6 | | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 7 | C Scheepers | 6 | 6 | | | | | | | | | | | | | | |
| | A Glatch | 4 | 1 | | 7 | C Scheepers | 6 | 6 | | | | | | | | | |
| | M Lučić | 4 | 6 | 6 | | M Lučić | 2 | 2 | | | | | | | | | |
| Q | L Kumkhum | 6 | 3 | 4 | | | | | | 7 | C Scheepers | 6 | 1 | 3 | | | |
| | M Doi | 7 | 3 | 6 | | | | | | | M Doi | 2 | 6 | 6 | | | |
| | J Cohen | 5 | 6 | 0 | | M Doi | 6 | 6 | | | | | | | | | |
| Q | O Puchkova | 6 | 2 | | Q | O Puchkova | 3 | 2 | | | | | | | | | |
| 4/WC | F Schiavone | 4 | 1$^r$ | | | | | | | | | | | | M Doi | 6$^2$ | 5 |
| 6 | A Medina Garrigues | 3 | 6 | 6 | | | | | | | | | | | H Watson | 7$^7$ | 7 |
| | C Giorgi | 6 | 2 | 2 | 6 | A Medina Garrigues | 7$^7$ | 2 | 3 | | | | | | | | |
| | H Watson | 6 | 6 | | | H Watson | 6$^4$ | 6 | 6 | | | | | | | | |
| | P Hercog | 4 | 4 | | | | | | | | H Watson | 7 | 6 | | | | |
| | M Johansson | 2 | 2 | | | | | | | | P Parmentier | 5 | 3 | | | | |
| | P Parmentier | 6 | 6 | | | P Parmentier | 6 | 6 | | | | | | | | | |
| | MJ Martínez Sánchez | 6 | 5 | 4 | 2 | J Zheng | 3 | 4 | | | | | | | | | |
| 2 | J Zheng | 4 | 7 | 6 | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Johanna Larsson (qualifying competition)
* Olga Puchkova (qualified)
* Eugenie Bouchard (qualifying competition)
* Yurika Sema (first round, retired)
* Wang Qiang (first round)
* Junri Namigata (second round)
* Luksika Kumkhum (qualified)
* Nudnida Luangnam (qualified)

### Qualifiers

* Nudnida Luangnam
* Olga Puchkova
* Luksika Kumkhum
* Zhou Yimiao

### Draw
#### First qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Johanna Larsson | 6 | 6 | | | | | | | | | |
| | Varatchaya Wongteanchai | 4 | 4 | | | | | | | | | |
| | Varatchaya Wongteanchai | 4 | 4 | 1 | Johanna Larsson | 1 | 7$^8$ | 6 | | | | |
| | | | | | Miharu Imanishi | 6 | 6$^6$ | 0 | | | | |
| | Rika Fujiwara | 5 | 2 | | Miharu Imanishi | 6 | 6$^6$ | 0 | | | | |
| | Miharu Imanishi | 7 | 6 | | | | | | | | | |
| | Miharu Imanishi | 7 | 6 | | | | | | 1 | Johanna Larsson | 4 | 3 |
| | | | | | | | | | 8 | Nudnida Luangnam | 6 | 6 |
| WC | Robyn Beddow | 2 | 0 | | | | | | | | | | 8 | Nudnida Luangnam | 6 | 6 |
| | Ksenia Lykina | 6 | 6 | | | | | | | | | |
| | Ksenia Lykina | 6 | 6 | | Ksenia Lykina | 3 | 4 | | | | | |
| | | | | 8 | Nudnida Luangnam | 6 | 6 | | | | | |
| WC | Yoshimi Kawasaki | 0 | 0 | 8 | Nudnida Luangnam | 6 | 6 | | | | | |
| 8 | Nudnida Luangnam | 6 | 6 | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Olga Puchkova | 6 | 6 | | | | | | | | | |
| | Zarina Diyas | 1 | 4 | | | | | | | | | |
| | Zarina Diyas | 1 | 4 | | 2 | Olga Puchkova | 6 | 6 | | | | |
| | | | | | | Miki Miyamura | 3 | 1 | | | | |
| WC | Chihiro Takayama | 2 | 0 | | | Miki Miyamura | 3 | 1 | | | | |
| | Miki Miyamura | 6 | 6 | | | | | | | | | |
| | Miki Miyamura | 6 | 6 | | | | | | 2 | Olga Puchkova | 6 | 6 |
| | | | | | | | | | | Aki Yamasoto | 2 | 4 |
| | Kazusa Ito | 4 | 3 | | | | | | | | | | Aki Yamasoto | 2 | 4 |
| | Noppawan Lertcheewakarn | 6 | 6 | | | | | | | | | |
| | Noppawan Lertcheewakarn | 6 | 6 | | | Noppawan Lertcheewakarn | 3 | 1 | | | | |
| | | | | | | Aki Yamasoto | 6 | 6 | | | | |
| | Aki Yamasoto | 4 | 6 | 6 | | Aki Yamasoto | 6 | 6 | | | | |
| 5 | Wang Qiang | 6 | 3 | 4 | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Eugenie Bouchard | 2 | 6 | 6 | | | | | | | | | |
| | Eri Hozumi | 6 | 4 | 4 | | | | | | | | | |
| | Eri Hozumi | 6 | 4 | 4 | 3 | Eugenie Bouchard | 4 | 6 | 6 | | | | |
| | | | | | | Daria Gavrilova | 6 | 1 | 4 | | | | |
| | Alexandra Stevenson | 1 | 3 | | | Daria Gavrilova | 6 | 1 | 4 | | | | |
| | Daria Gavrilova | 6 | 6 | | | | | | | | | | |
| | Daria Gavrilova | 6 | 6 | | | | | | | 3 | Eugenie Bouchard | 1 | 2 |
| | | | | | | | | | | 7 | Luksika Kumkhum | 6 | 6 |
| WC | Miyu Kato | 6$^3$ | 3 | | | | | | | | | | | 7 | Luksika Kumkhum | 6 | 6 |
| | Katalin Marosi | 7$^7$ | 6 | | | | | | | | | | |
| | Katalin Marosi | 7$^7$ | 6 | | | Katalin Marosi | 6 | 1 | 2 | | | | |
| | | | | | 7 | Luksika Kumkhum | 4 | 6 | 6 | | | | |
| | Misa Eguchi | 3 | 4 | | 7 | Luksika Kumkhum | 4 | 6 | 6 | | | | |
| 7 | Luksika Kumkhum | 6 | 6 | | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Yurika Sema | 6 | 3 | 2$^r$ | | | | | | | | |
| WC | Risa Ozaki | 2 | 6 | 3 | | | | | | | | |
| WC | Risa Ozaki | 2 | 6 | 3 | WC | Risa Ozaki | 3 | 6 | 2 | | | |
| | | | | | | Shuko Aoyama | 6 | 0 | 6 | | | |
| | Shuko Aoyama | 6 | 6 | | | Shuko Aoyama | 6 | 0 | 6 | | | |
| WC | Darija Jurak | 2 | 2 | | | | | | | | | |
| WC | Darija Jurak | 2 | 2 | | | | | | | Shuko Aoyama | 2 | 3 |
| | | | | | | | | | | Zhou Yimiao | 6 | 6 |
| | Zhou Yimiao | 7$^{10}$ | 6 | | | | | | | | | | Zhou Yimiao | 6 | 6 |
| WC | Riko Sawayanagi | 6$^8$ | 2 | | | | | | | | | |
| WC | Riko Sawayanagi | 6$^8$ | 2 | | | Zhou Yimiao | 6 | 7$^7$ | | | | |
| | | | | | 6 | Junri Namigata | 2 | 6$^1$ | | | | |
| | Erika Takao | 2 | 5 | | 6 | Junri Namigata | 2 | 6$^1$ | | | | |
| 6 | Junri Namigata | 6 | 7 | | | | | | | | | |