2017 OEC Kaohsiung – Singles

Chung Hyeon was the defending champion but chose not to defend his title.

Evgeny Donskoy won the title after defeating Marius Copil 7–6(7–0), 7–5 in the final.

Seeds
• # 🇦🇺 Jordan Thompson (first round)

• # 🇮🇱 Dudi Sela (first round)

• # 🇷🇴 Marius Copil (final)

• # 🇷🇺 Evgeny Donskoy (champion)

• # 🇸🇰 Lukáš Lacko (quarterfinals)

• # 🇷🇺 Mikhail Youzhny (first round)

• # 🇮🇳 Yuki Bhambri (first round)

• # 🇦🇺 Akira Santillan (second round)