2012 PTT Thailand Open – Singles

Andy Murray was the defending champion but decided not to participate. Richard Gasquet won the title beating Gilles Simon in an all-French final, 6–2, 6–1.

Seeds
• # 🇷🇸 Janko Tipsarević (semifinals)

• # 🇫🇷 Richard Gasquet (champion)

• # 🇨🇦 Milos Raonic (quarterfinals)

• # 🇫🇷 Gilles Simon (final)

• # 🇪🇸 Fernando Verdasco (quarterfinals)

• # 🇷🇸 Viktor Troicki (second round)

• # 🇫🇮 Jarkko Nieminen (semifinals)

• # 🇦🇺 Bernard Tomic (quarterfinals)

Seeds
• # Kevin Anderson (qualified)

• # 🇯🇵 Yuichi Sugita (qualified)

• # 🇩🇪 Mischa Zverev (qualifying competition)

• # 🇯🇵 Hiroki Moriya (qualified)

• # Yang Tsung-hua (qualified)

• # 🇰🇿 Evgeny Korolev (qualifying competition)

• # 🇯🇵 Yasutaka Uchiyama (qualifying competition)

• # 🇳🇿 Daniel King-Turner (second round)

Qualifiers
• # Kevin Anderson

• # 🇯🇵 Yuichi Sugita

• # Yang Tsung-hua

• # 🇯🇵 Hiroki Moriya