2013 PTT Thailand Open – Singles

Richard Gasquet was the defending champion, but lost to Milos Raonic in the semifinals. Raonic went on to win the title, defeating Tomáš Berdych in the final, 7–6(7–4), 6–3.

Seeds
• # 🇨🇿 Tomáš Berdych (final)

• # 🇫🇷 Richard Gasquet (semifinals)

• # 🇨🇦 Milos Raonic (champion)

• # 🇫🇷 Gilles Simon (semifinals)

• # 🇷🇺 Mikhail Youzhny (quarterfinals)

• # 🇪🇸 Feliciano López (quarterfinals)

• # 🇫🇮 Jarkko Nieminen (first round)

• # 🇨🇿 Lukáš Rosol (second round)

Seeds
• # 🇨🇴 Santiago Giraldo (qualified)

• # 🇨🇴 Alejandro Falla (qualified)

• # 🇯🇵 Go Soeda (qualified)

• # Marco Chiudinelli (qualified)

• # 🇯🇵 Hiroki Moriya (qualifying competition)

• # 🇮🇱 Amir Weintraub (second round)

• # 🇯🇵 Shuichi Sekiguchi (first round)

• # 🇮🇳 Karunuday Singh (qualifying competition)

Qualifiers
• # 🇨🇴 Santiago Giraldo

• # 🇨🇴 Alejandro Falla

• # 🇯🇵 Go Soeda

• # Marco Chiudinelli