2012 Arimex Challenger Trophy – Singles

Íñigo Cervantes-Huegun was the defending champion but chose not to compete. Andrey Kuznetsov won the title after defeating Adrian Ungur 6–3, 6–3 in the final.

Seeds
• # 🇨🇿 Lukáš Rosol (second round)

• # 🇷🇴 Adrian Ungur (final)

• # João Sousa (semifinals)

• # 🇦🇹 Andreas Haider-Maurer (quarterfinals)

• # 🇷🇺 Andrey Kuznetsov (champion)

• # Antonio Veić (first round)

• # Paul Capdeville (first round, retired because of a right groin injury)

• # 🇮🇹 Matteo Viola (semifinals)