2020 Challenger La Manche – Singles

Ugo Humbert was the defending champion but chose not to defend his title.

Roman Safiullin won the title after defeating Roberto Marcora 6–4, 6–2 in the final.

Seeds
All seeds receive a bye into the second round. • # 🇫🇷 Antoine Hoang (semifinals)

• # 🇮🇹 Roberto Marcora (final)

• # 🇫🇷 Maxime Janvier (third round)

• # 🇦🇷 Marco Trungelliti (second round)

• # 🇫🇷 Quentin Halys (quarterfinals)

• # 🇹🇷 Cem İlkel (second round)

• # 🇫🇷 Constant Lestienne (second round)

• # 🇪🇸 Bernabé Zapata Miralles (third round)

• # 🇯🇵 Hiroki Moriya (second round)

• # 🇷🇺 Alexey Vatutin (second round)

• # 🇩🇪 Matthias Bachinger (quarterfinals)

• # 🇨🇿 Zdeněk Kolář (quarterfinals)

• # 🇮🇹 Matteo Viola (second round)

• # 🇫🇷 Tristan Lamasine (second round)

• # 🇫🇷 Mathias Bourgue (second round)

• # 🇪🇸 Nicola Kuhn (second round)