2000 Gerry Weber Open – Singles

Nicolas Kiefer was the defending champion, but lost in the quarterfinals this year.

David Prinosil won the title, beating Richard Krajicek 6–3, 6–2 in the final.

Seeds
• # 🇷🇺 Yevgeny Kafelnikov (semifinals)

• # 🇩🇪 Nicolas Kiefer (quarterfinals)

• # 🇪🇨 Nicolás Lapentti (quarterfinals)

• # 🇪🇸 Juan Carlos Ferrero (first round)

• # 🇺🇦 Andrei Medvedev (second round)

• # 🇩🇪 Tommy Haas (first round)

• # 🇫🇷 Nicolas Escudé (quarterfinals)

• # 🇦🇺 Patrick Rafter (second round)