2006 If Stockholm Open – Singles

James Blake was the defending champion and successfully defended his title, beating Jarkko Nieminen 6–4, 6–2 in the final.

Seeds
• # 🇪🇸 Rafael Nadal (second round)

• # 🇺🇸 James Blake (champion)

• # 🇨🇿 Tomáš Berdych (quarterfinals)

• # 🇪🇸 David Ferrer (second round)

• # 🇫🇮 Jarkko Nieminen (final)

• # 🇧🇪 Olivier Rochus (quarterfinals)

• # 🇧🇪 Kristof Vliegen (quarterfinals)

• # 🇸🇪 Robin Söderling (semifinals)