2017 Open du Pays d'Aix – Singles

Thiago Monteiro was the defending champion but chose not to defend his title.

Frances Tiafoe won the title after defeating Jérémy Chardy 6–3, 4–6, 7–6(7–5) in the final.

Seeds
• # 🇹🇳 Malek Jaziri (quarterfinals)

• # 🇧🇷 Rogério Dutra Silva (second round)

• # 🇫🇷 Jérémy Chardy (final)

• # 🇺🇸 Frances Tiafoe (champion)

• # 🇷🇸 Dušan Lajović (first round)

• # 🇦🇷 Renzo Olivo (first round)

• # 🇸🇰 Norbert Gombos (second round)

• # 🇫🇷 Julien Benneteau (quarterfinals)