2012 Poznań Open – Singles

Rui Machado was the defending champion but decided not to participate that year. Jerzy Janowicz won the final 6–3, 6–3 against Jonathan Dasnières de Veigy.

Seeds
• # 🇵🇱 Jerzy Janowicz (champion)

• # 🇫🇷 Éric Prodon (quarterfinals)

• # 🇪🇸 Íñigo Cervantes Huegun (second round, retired due to back injury)

• # 🇫🇷 Guillaume Rufin (first round)

• # 🇫🇷 Jonathan Dasnières de Veigy (final)

• # 🇦🇷 Martín Alund (semifinals)

• # 🇦🇹 Andreas Haider-Maurer (semifinals)

• # 🇪🇸 Arnau Brugués Davi (quarterfinals)