1998 Gerry Weber Open – Singles

Yevgeny Kafelnikov was the defending champion and defended his title with 6–4, 6–4 against Magnus Larsson.

Seeds
• # 🇨🇿 Petr Korda (second round)

• # 🇷🇺 Yevgeny Kafelnikov (champion)

• # Richard Krajicek (Quarterfinal)

• # 🇪🇸 Carlos Moyá (second round)

• # 🇪🇸 Alex Corretja (first round)

• # 🇦🇹 Thomas Muster (first round)

• # 🇩🇪 Nicolas Kiefer (first round)

• # 🇸🇪 Magnus Norman (Quarterfinal)