2020 Wolffkran Open – Singles

Lukáš Lacko was the defending champion but lost in the second round to Prajnesh Gunneswaran.

Marc-Andrea Hüsler won the title after defeating Botic van de Zandschulp 6–7(3–7), 7–6(7–2), 7–5 in the final.

Seeds
• # 🇦🇷 Federico Delbonis (first round)

• # 🇩🇪 Yannick Hanfmann (second round)

• # 🇫🇷 Grégoire Barrère (first round)

• # 🇫🇷 Antoine Hoang (semifinals)

• # 🇺🇸 Sebastian Korda (quarterfinals)

• # Henri Laaksonen (second round)

• # 🇮🇳 Prajnesh Gunneswaran (semifinals)

• # 🇵🇪 Juan Pablo Varillas (first round)