2012 PTT Pattaya Open – Singles

Daniela Hantuchová successfully defended her title beating Maria Kirilenko 6–7(4–7), 6–3, 6–3 in the final.

Seeds
• # 🇷🇺 Vera Zvonareva (quarterfinals, retired due to a left hip injury)

• # 🇸🇰 Dominika Cibulková (first round)

• # 🇸🇰 Daniela Hantuchová (champion)

• # 🇷🇺 Maria Kirilenko (final)

• # 🇨🇳 Zheng Jie (first round)

• # 🇰🇿 Galina Voskoboeva (first round, retired)

• # 🇷🇴 Sorana Cîrstea (semifinals)

• # 🇺🇸 Vania King (quarterfinals)

Seeds
• # Chang Kai-chen (qualified)

• # 🇫🇷 Caroline Garcia (first round)

• # Hsieh Su-wei (qualified)

• # 🇹🇭 Varatchaya Wongteanchai (qualified)

• # 🇯🇵 Misa Eguchi (qualifying competition)

• # 🇦🇺 Sacha Jones (qualifying competition)

• # 🇹🇷 Çağla Büyükakçay (qualifying competition)

• # 🇨🇳 Wang Qiang (qualifying competition)

Qualifiers
• # Chang Kai-chen

• # 🇨🇳 Zhou Yimiao

• # Hsieh Su-wei

• # 🇹🇭 Varatchaya Wongteanchai