2017 Gwangju Open – Singles

Ričardas Berankis was the defending champion but chose not to defend his title.

Matthias Bachinger won the title after defeating Yang Tsung-hua 6–3, 6–4 in the final.

Seeds
• # 🇦🇺 Jordan Thompson (withdrew)

• # 🇨🇦 Peter Polansky (semifinals)

• # 🇦🇺 Matthew Ebden (second round)

• # 🇰🇷 Lee Duck-hee (quarterfinals)

• # 🇯🇵 Tatsuma Ito (semifinals)

• # 🇯🇵 Yasutaka Uchiyama (first round)

• # 🇯🇵 Hiroki Moriya (first round)

• # 🇰🇷 Kwon Soon-woo (quarterfinals)

• # 🇪🇬 Mohamed Safwat (second round)