2012 If Stockholm Open – Singles

Gaël Monfils was the defending champion, but lost to wildcard Patrik Rosenholm in the first round. Tomáš Berdych won the title, defeating Jo-Wilfried Tsonga 4–6, 6–4, 6–4 in the final.

Seeds
The first four seeds received a bye into the second round.

• # 🇫🇷 Jo-Wilfried Tsonga (final)

• # 🇨🇿 Tomáš Berdych (champion)

• # 🇪🇸 Nicolás Almagro (semifinals)

• # 🇩🇪 Florian Mayer (second round)

• # 🇪🇸 Feliciano López (second round)

• # 🇷🇺 Mikhail Youzhny (quarterfinals)

• # 🇨🇾 Marcos Baghdatis (semifinals, retired because of a left groin injury)

• # 🇫🇮 Jarkko Nieminen (second round)

Seeds
• # 🇦🇷 Federico Delbonis (qualified)

• # 🇫🇷 Jonathan Dasnières de Veigy (qualifying competition)

• # 🇷🇴 Marius Copil (qualified)

• # 🇧🇪 Yannick Mertens (qualified)

• # 🇩🇪 Peter Torebko (qualifying competition)

• # 🇨🇦 Érik Chvojka (qualifying competition)

• # 🇫🇷 Maxime Teixeira (qualified)

• # 🇮🇹 Thomas Fabbiano (qualifying competition)

Qualifiers
• # 🇦🇷 Federico Delbonis

• # 🇫🇷 Maxime Teixeira

• # 🇷🇴 Marius Copil

• # 🇧🇪 Yannick Mertens