2012 Crédit Agricole Suisse Open Gstaad – Singles

Marcel Granollers was the defending champion, but lost to Łukasz Kubot in the second round. Thomaz Bellucci won the tournament by defeating Janko Tipsarević 6–7(6–8), 6–4, 6–2 in the final.

Seeds
The top four seeds receive a bye into the second round. • # 🇷🇸 Janko Tipsarević (final)

• # 🇪🇸 Marcel Granollers (second round)

• # Stanislas Wawrinka (second round)

• # 🇷🇺 Mikhail Youzhny (second round)

• # 🇪🇸 Feliciano López (quarterfinals)

• # 🇫🇷 Julien Benneteau (first round)

• # 🇨🇴 Santiago Giraldo (second round)

• # 🇦🇺 Bernard Tomic (first round)

Seeds
• # 🇪🇸 Roberto Bautista Agut (second round, retired)

• # 🇧🇷 João Souza (second round)

• # 🇧🇷 Thiago Alves (qualifying competition)

• # João Sousa (qualifying competition)

• # 🇩🇪 Dustin Brown (qualified)

• # 🇮🇹 Matteo Viola (qualified)

• # 🇨🇿 Jan Hernych (qualified)

• # 🇺🇿 Farrukh Dustov (qualifying competition)

Qualifiers
• # 🇦🇹 Martin Fischer

• # 🇨🇿 Jan Hernych

• # 🇮🇹 Matteo Viola

• # 🇩🇪 Dustin Brown