2018 Meerbusch Challenger – Singles

Ricardo Ojeda Lara was the defending champion but chose not to defend his title.

Filip Horanský won the title after defeating Jan Choinski 6–7(7–9), 6–3, 6–3 in the final.

Seeds
• # 🇪🇸 Sergio Gutiérrez Ferrol (first round)

• # Pedro Sousa (quarterfinals)

• # 🇷🇺 Alexey Vatutin (withdrew)

• # 🇦🇹 Sebastian Ofner (first round)

• # 🇷🇺 Ivan Nedelko (first round)

• # 🇸🇰 Filip Horanský (champion)

• # 🇧🇪 Arthur De Greef (first round)

• # 🇩🇪 Rudolf Molleker (semifinals)