2017 Bangkok Challenger – Singles

Mikhail Youzhny was the defending champion but chose not to defend his title.

Janko Tipsarević won the title after defeating Blaž Kavčič 6–3, 7–6(7–1) in the final.

Seeds
• # 🇯🇵 Yūichi Sugita (semifinals)

• # 🇺🇿 Denis Istomin (second round)

• # Marius Copil (quarterfinals)

• # Henri Laaksonen (second round)

• # 🇷🇸 Janko Tipsarević (champion)

• # 🇨🇳 Wu Di (second round)

• # 🇩🇪 Maximilian Marterer (semifinals)

• # 🇧🇪 Yannik Reuter (first round)