2017 Internationaux de Tennis de Blois – Singles

Carlos Berlocq was the defending champion but chose not to defend his title.

Damir Džumhur won the title after defeating Calvin Hemery 6–1, 6–3 in the final.

Seeds
• # 🇧🇦 Damir Džumhur (champion)

• # 🇯🇵 Taro Daniel (withdrew)

• # 🇧🇷 Thiago Monteiro (second round)

• # Henri Laaksonen (semifinals)

• # 🇳🇴 Casper Ruud (quarterfinals)

• # 🇫🇷 Stéphane Robert (second round)

• # 🇨🇿 Jan Šátral (first round)

• # 🇧🇷 João Souza (first round, retired)