2013 Chang-Sat Bangkok Open – Singles

Dudi Sela was the defending champion but chose to participate at the 2013 US Open instead.

Top seed Blaž Kavčič won the title over surprise finalist Jeong Suk-Young 6–3, 6–1.

Seeds
• # Blaž Kavčič (champion)

• # 🇦🇺 Matthew Ebden (semifinals, Retired)

• # Jimmy Wang (semifinals, Retired)

• # 🇯🇵 Yūichi Sugita (quarterfinals)

• # 🇯🇵 Hiroki Moriya (quarterfinals)

• # 🇦🇺 Matt Reid (quarterfinals)

• # 🇭🇺 Márton Fucsovics (withdrew)

• # 🇦🇺 Benjamin Mitchell (second round)