2011 ATP Challenger Trophy – Singles

Jaroslav Pospíšil was the defending champion but lost in the quarterfinals to eventual champion Íñigo Cervantes-Huegun. Spanish qualifier won in the final 6–4, 7–6(7–3), against Pavol Červenák.

Seeds
• # 🇸🇰 Martin Kližan (first round)

• # 🇩🇪 Dustin Brown (first round)

• # 🇩🇪 Björn Phau (quarterfinals)

• # 🇫🇷 Augustin Gensse (first round)

• # 🇨🇿 Jaroslav Pospíšil (quarterfinals)

• # 🇨🇿 Jan Hájek (semifinals, retired due to left knee injury)

• # 🇫🇷 Maxime Teixeira (first round)

• # 🇰🇿 Yuri Schukin (quarterfinals)