2018 Brest Challenger – Singles

Corentin Moutet was the defending champion but lost in the second round to Julien Benneteau.

Hubert Hurkacz won the title after defeating Ričardas Berankis 7–5, 6–1 in the final.

Seeds
• # 🇫🇷 Julien Benneteau (quarterfinals)

• # 🇪🇸 Jaume Munar (quarterfinals)

• # 🇪🇸 Roberto Carballés Baena (semifinals)

• # 🇵🇱 Hubert Hurkacz (champion)

• # 🇨🇿 Jiří Veselý (second round)

• # 🇫🇷 Ugo Humbert (withdrew)

• # 🇮🇹 Lorenzo Sonego (quarterfinals)

• # 🇺🇸 Michael Mmoh (first round)