2012 Zucchetti Kos Tennis Cup – Singles

Daniel Muñoz-de la Nava was the defending champion, but lost in the second round. Paolo Lorenzi won the title, defeating Daniel Gimeno-Traver 7–6(7–5), 6–3 in the final.

Seeds
• # Blaž Kavčič (quarterfinals)

• # 🇪🇸 Guillermo García-López (first round)

• # 🇮🇹 Filippo Volandri (semifinals, retired because of a right shoulder injury)

• # 🇮🇹 Paolo Lorenzi (champion)

• # 🇮🇹 Simone Bolelli (quarterfinals, retired because of a right shoulder injury)

• # 🇷🇴 Adrian Ungur (first round)

• # 🇪🇸 Daniel Gimeno-Traver (finals)

• # 🇧🇷 Rogério Dutra da Silva (second round)