2012 Toray Pan Pacific Open – Singles

Nadia Petrova defeated the defending champion Agnieszka Radwańska in the final, 6–0, 1–6, 6–3 to win the singles tennis title at the 2012 Pan Pacific Open.

Seeds
The top eight seeds receive a bye into the second round. • # 🇧🇾 Victoria Azarenka (quarterfinals, withdrew because of dizziness)

• # 🇷🇺 Maria Sharapova (quarterfinals)

• # 🇵🇱 Agnieszka Radwańska (final)

• # 🇨🇿 Petra Kvitová (second round)

• # 🇩🇪 Angelique Kerber (semifinals)

• # 🇮🇹 Sara Errani (quarterfinals)

• # 🇨🇳 Li Na (third round)

• # 🇦🇺 Samantha Stosur (semifinals)

• # 🇫🇷 Marion Bartoli (third round)

• # Caroline Wozniacki (quarterfinals)

• # 🇷🇸 Ana Ivanovic (second round)

• # 🇸🇰 Dominika Cibulková (third round)

• # 🇷🇺 Maria Kirilenko (withdrew because of a back injury)

• # 🇮🇹 Roberta Vinci (third round)

• # 🇪🇪 Kaia Kanepi (second round)

• # 🇨🇿 Lucie Šafářová (third round)

• # 🇷🇺 Nadia Petrova (champion)

Seeds
• # 🇸🇰 Magdaléna Rybáriková (first round)

• # 🇷🇸 Bojana Jovanovski (qualified)

• # 🇭🇺 Tímea Babos (first round)

• # 🇨🇿 'Andrea Hlaváčková (qualifying competition, lucky loser)

• # Kiki Bertens (withdrew, still competing at Seoul)

• # 🇱🇺 Mandy Minella (qualifying competition)

• # 🇪🇸 Lourdes Domínguez Lino (first round)

• # 🇰🇿 Galina Voskoboeva (qualifying competition)

• # 🇬🇧 Laura Robson (withdrew, still competing at Guangzhou)

• # 🇬🇧 Heather Watson (qualified)

• # Polona Hercog (first round)

• # 🇦🇺 Casey Dellacqua (first round)

• # 🇪🇸 Sílvia Soler Espinosa (qualified)

• # 🇫🇷 Pauline Parmentier (qualified)

• # 🇷🇴 Alexandra Cadanțu (first round)

• # 🇸🇪 Johanna Larsson (qualified)

• # 🇺🇸 CoCo Vandeweghe (first round)

Qualifiers
• # 🇺🇸 Jamie Hampton

• # 🇷🇸 Bojana Jovanovski

• # 🇫🇷 Pauline Parmentier

• # 🇬🇧 Heather Watson

• # 🇸🇪 Johanna Larsson

• # 🇪🇸 Sílvia Soler Espinosa

• # 🇯🇵 Kurumi Nara

• # 🇮🇹 Camila Giorgi

Lucky losers

 * 1) 🇨🇿 Andrea Hlaváčková