2019 Brest Challenger – Singles

Hubert Hurkacz was the defending champion but chose not to defend his title.

Ugo Humbert won the title after defeating Evgeny Donskoy 6–2, 6–3 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇫🇷 Ugo Humbert (champion)

• # 🇪🇸 Roberto Carballés Baena (quarterfinals)

• # 🇮🇹 Thomas Fabbiano (second round)

• # 🇫🇷 Corentin Moutet (third round)

• # 🇪🇸 Jaume Munar (third round)

• # Lloyd Harris (semifinals)

• # 🇫🇷 Antoine Hoang (quarterfinals)

• # 🇷🇺 Evgeny Donskoy (final)

• # 🇸🇰 Norbert Gombos (semifinals)

• # 🇮🇹 Paolo Lorenzi (second round)

• # 🇩🇪 Yannick Maden (second round)

• # 🇨🇿 Jiří Veselý (third round)

• # 🇯🇵 Yūichi Sugita (second round)

• # 🇪🇸 Guillermo García López (third round)

• # 🇫🇷 Enzo Couacaud (second round)

• # 🇫🇷 Quentin Halys (second round)