# 2012 Toray Pan Pacific Open

The 2012 Toray Pan Pacific Open was a women's tennis tournament played on outdoor hard courts. It was the 29th edition of the Toray Pan Pacific Open, and part of the Premier Series of the 2012 WTA Tour. It took place at the Ariake Coliseum in Tokyo, Japan, from September 23 through 29, 2012. Nadia Petrova won the singles title.

## Points and prize money
### Point distribution

| Stage | Women's singles | Women's doubles |
| Champion | 900 | 900 |
| Runner up | 620 | 620 |
| Semifinals | 395 | 395 |
| Quarterfinals | 225 | 225 |
| Round of 16 | 125 | 1 |
| Round of 32 | 70 | – |
| Round of 64 | 1 | – |
| Qualifier | 30 | – |
| Qualifying Finalist | 20 | – |
| Qualifying 1st round | 1 | – |

### Prize money

| Stage | Women's singles | Women's doubles |
| Champion | $385,000 | $110,000 |
| Runner up | $192,000 | $59,850 |
| Semifinals | $96,100 | $31,600 |
| Quarterfinals | $44,250 | $16,800 |
| Round of 16 | $22,000 | $9,150 |
| Round of 32 | $11,300 | - |
| Round of 64 | $5,800 | - |
| Qualifying Finalist | $3,200 | - |
| Qualifying 1st round | $1,650 | - |

## Singles main-draw entrants
### Seeds

| Country | Player | Rank$^1$ | Seed |
| BLR | Victoria Azarenka | 1 | 1 |
| RUS | Maria Sharapova | 2 | 2 |
| POL | Agnieszka Radwańska | 3 | 3 |
| CZE | Petra Kvitová | 5 | 4 |
| GER | Angelique Kerber | 6 | 5 |
| ITA | Sara Errani | 7 | 6 |
| CHN | Li Na | 8 | 7 |
| AUS | Samantha Stosur | 9 | 8 |
| FRA | Marion Bartoli | 10 | 9 |
| DEN | Caroline Wozniacki | 11 | 10 |
| SRB | Ana Ivanovic | 12 | 11 |
| SVK | Dominika Cibulková | 13 | 12 |
| RUS | Maria Kirilenko | 14 | 13 |
| ITA | Roberta Vinci | 15 | 14 |
| EST | Kaia Kanepi | 16 | 15 |
| CZE | Lucie Šafářová | 17 | 16 |
| RUS | Nadia Petrova | 18 | 17 |
* $^1$ Rankings are as of September 17, 2012

### Other entrants

The following players received wildcards into the singles main draw:
* Kimiko Date-Krumm
* Caroline Garcia
* Ayumi Morita
The following players received entry from the qualifying draw:
* Camila Giorgi
* Jamie Hampton
* Bojana Jovanovski
* Johanna Larsson
* Kurumi Nara
* Pauline Parmentier
* Sílvia Soler Espinosa
* Heather Watson
The following players received entry as lucky loser:
* Andrea Hlaváčková

### Withdrawals

* Maria Kirilenko (back injury)

### Retirements

* Victoria Azarenka (dizziness)
* Andrea Hlaváčková (left thigh injury)
* Klára Zakopalová (left wrist injury)

## Doubles main-draw entrants
### Seeds

| Country | Player | Country | Player | Rank$^1$ | Seed |
| USA | Vania King | KAZ | Yaroslava Shvedova | 28 | 1 |
| ESP | Nuria Llagostera Vives | IND | Sania Mirza | 30 | 2 |
| SLO | Katarina Srebotnik | CHN | Zheng Jie | 31 | 3 |
| GER | Anna-Lena Grönefeld | CZE | Květa Peschke | 41 | 4 |
* $^1$ Rankings are as of September 17, 2012

### Other entrants

The following pairs received wildcards into the doubles main draw:
* Chuang Chia-jung / Kimiko Date-Krumm
* Daniela Hantuchová / Peng Shuai
* Anastasia Pavlyuchenkova / Lucie Šafářová
The following pair received entry as alternates:
* Darija Jurak / Katalin Marosi

### Withdrawals

* Andrea Hlaváčková (left thigh injury)

## Finals
### Singles

* Nadia Petrova def. Agnieszka Radwańska 6–0, 1–6, 6–3

### Doubles

* Raquel Kops-Jones / Abigail Spears def. Anna-Lena Grönefeld / Květa Peschke 6–1, 6–4