2017 Bangkok Challenger II – Singles

Mikhail Youzhny was the defending champion but chose not to participate.

Janko Tipsarević won the title after defeating Li Zhe 6–2, 6–3 in the final.

Seeds
• # 🇷🇸 Janko Tipsarević (champion)

• # Christian Garín (semifinals)

• # 🇷🇺 Aslan Karatsev (first round)

• # 🇨🇿 Zdeněk Kolář (first round)

• # 🇫🇷 Grégoire Barrère (first round)

• # 🇧🇪 Yannick Mertens (second round)

• # 🇫🇷 Axel Michon (quarterfinals)

• # 🇨🇿 Václav Šafránek (first round)