2009 If Stockholm Open – Singles

David Nalbandian was the defending champion, but did not defend his title due to a hip injury. Marcos Baghdatis won in the final 6–1, 7–5 against Olivier Rochus.

Seeds
• # 🇸🇪 Robin Söderling (semifinals, withdrew due to a right elbow injury)

• # 🇩🇪 Tommy Haas (second round, withdrew due to the flu)

• # 🇪🇸 Juan Carlos Ferrero (first round)

• # 🇦🇷 Juan Mónaco (second round)

• # 🇩🇪 Andreas Beck (first round)

• # 🇩🇪 Benjamin Becker (first round)

• # 🇪🇸 Albert Montañés (first round)

• # 🇪🇸 Feliciano López (second round)