2020 Tennis Challenger Hamburg – Singles

Botic van de Zandschulp was the defending champion but withdrew before his semifinal match against Taro Daniel.

Daniel won the title after defeating Sebastian Ofner 6–1, 6–2 in the final.

Seeds
• # 🇵🇱 Kamil Majchrzak (semifinals)

• # 🇯🇵 Taro Daniel (champion)

• # 🇺🇸 J. J. Wolf (second round)

• # 🇩🇪 Daniel Altmaier (first round, retired)

• # 🇮🇳 Sumit Nagal (first round, retired)

• # Henri Laaksonen (quarterfinals)

• # 🇷🇸 Nikola Milojević (quarterfinals)

• # 🇩🇪 Oscar Otte (second round)