2013 Toray Pan Pacific Open – Singles

Petra Kvitová defeated Angelique Kerber in the final, 6–2, 0–6, 6–3 to win the singles tennis title at the 2013 Pan Pacific Open.

Nadia Petrova was the reigning champion, but withdrew with a left hip injury before the tournament.

Seeds
The top eight seeds receive a bye into the second round.

🇧🇾 Victoria Azarenka (second round) 🇵🇱 Agnieszka Radwańska (quarterfinals) 🇮🇹 Sara Errani (second round) Caroline Wozniacki (semifinals) 🇩🇪 Angelique Kerber (final) 🇷🇸 Jelena Janković (third round) 🇨🇿 Petra Kvitová (champion) 🇮🇹 Roberta Vinci (second round) 🇺🇸 Sloane Stephens (second round) 🇪🇸 Carla Suárez Navarro (first round) 🇷🇸 Ana Ivanovic (third round) 🇦🇺 Samantha Stosur (third round) 🇷🇴 Simona Halep (third round) 🇧🇪 Kirsten Flipkens (second round) 🇷🇴 Sorana Cîrstea (third round) 🇸🇰 Dominika Cibulková (third round)

Seeds
• # 🇳🇿 Marina Erakovic (qualifying competition)

• # 🇦🇷 Paula Ormaechea (qualified)

• # 🇪🇸 María Teresa Torró Flor (qualified)

• # Chanelle Scheepers (qualifying competition)

• # 🇬🇧 Heather Watson (qualifying competition)

• # Polona Hercog (qualified)

• # 🇪🇸 Sílvia Soler Espinosa (qualifying competition)

• # 🇯🇵 Misaki Doi (moved to main draw as wildcard)

• # 🇧🇬 Tsvetana Pironkova (qualifying competition)

• # 🇪🇸 Estrella Cabeza Candela (qualifying competition)

• # 🇨🇿 Barbora Záhlavová-Strýcová (qualified)

• # 🇱🇺 Mandy Minella (first round)

• # Tadeja Majerič (first round)

• # 🇦🇺 Ashleigh Barty (qualifying competition)

• # 🇷🇺 Daria Gavrilova (qualified)

• # 🇦🇺 Anastasia Rodionova (qualified)

• # 🇨🇿 Kristýna Plíšková (qualifying competition)

Qualifiers
• # 🇦🇺 Anastasia Rodionova

• # 🇦🇷 Paula Ormaechea

• # 🇪🇸 María Teresa Torró Flor

• # 🇷🇺 Daria Gavrilova

• # 🇨🇿 Barbora Záhlavová-Strýcová

• # Polona Hercog

• # 🇯🇵 Risa Ozaki

• # 🇦🇺 Casey Dellacqua