2006 Ordina Open – Men's singles

Mario Ančić was the defending champion and successfully defended his title. Mario Ančić defeated Jan Hernych 6–0, 5–7, 7–5 to win the 2006 Ordina Open singles event.

Seeds
• # 🇷🇺 Nikolay Davydenko (first round)

• # 🇪🇸 Tommy Robredo (second round)

• # Mario Ančić (champion)

• # 🇨🇿 Tomáš Berdych (withdrew due to left leg injury)

• # 🇺🇸 Robby Ginepri (first round)

• # 🇨🇾 Marcos Baghdatis (semifinals)

• # 🇪🇸 Juan Carlos Ferrero (quarterfinals)

• # 🇷🇸 Novak Djokovic (second round)