2010 Allianz Suisse Open Gstaad – Singles

Thomaz Bellucci was the defending champion, however he lost to Marco Chiudinelli in the first round.

Nicolás Almagro won in the final 7–5, 6–1, against Richard Gasquet.

Seeds
• # 🇷🇺 Mikhail Youzhny (quarterfinals)

• # 🇪🇸 Nicolás Almagro (champion)

• # 🇧🇷 Thomaz Bellucci (first round)

• # 🇪🇸 Albert Montañés (quarterfinals)

• # 🇪🇸 Tommy Robredo (first round)

• # 🇷🇴 Victor Hănescu (first round)

• # 🇫🇷 Richard Gasquet (final)

• # 🇫🇷 Paul-Henri Mathieu (first round)