2013 OEC Kaohsiung – Singles

Go Soeda was the defending champion but chose not to compete. Top seed Lu Yen-hsun won the title over Yuki Bhambri 6–4, 6–3.

Seeds
• # Lu Yen-hsun (champion)

• # 🇺🇸 Jack Sock (semifinals)

• # 🇺🇸 Michael Russell (first round, retired)

• # 🇨🇴 Alejandro González (quarterfinals)

• # 🇺🇸 Rajeev Ram (first round)

• # 🇦🇺 Matthew Ebden (semifinals)

• # 🇯🇵 Yūichi Sugita (second round)

• # Jimmy Wang (quarterfinals, retired)