2011 BRD Năstase Țiriac Trophy – Singles

Juan Ignacio Chela was the defending champion but was eliminated in the semifinals by Pablo Andújar. Florian Mayer won the title, defeating Pablo Andújar 6–3, 6–1 in the final.

Seeds
The top four seeds received a bye into the second round. • # 🇦🇷 Juan Ignacio Chela (semifinals)

• # 🇩🇪 Florian Mayer (champion)

• # 🇪🇸 Marcel Granollers (second round)

• # 🇪🇸 Pablo Andújar (final)

• # 🇪🇸 Tommy Robredo (first round)

• # 🇮🇹 Potito Starace (first round, retired)

• # 🇮🇹 Andreas Seppi (quarterfinals)

• # 🇪🇸 Albert Montañés (first round)

Seeds

 * 1)  Thomas Schoorel (qualifying competition)
 * 2) 🇫🇷 Florent Serra (qualified)
 * 3) 🇷🇺 Evgeny Donskoy (qualifying competition)
 * 4) 🇮🇹 Alessandro Giannessi (qualified)
 * 5) 🇮🇹 Gianluca Naso (qualified)
 * 6) 🇫🇷 Jonathan Eysseric (second round)
 * 7) 🇩🇪 Peter Torebko (qualified)
 * 8) 🇫🇷 Olivier Patience (qualifying competition)

Qualifiers

 * 1) 🇮🇹 Gianluca Naso
 * 2) 🇫🇷 Florent Serra
 * 3) 🇩🇪 Peter Torebko
 * 4) 🇮🇹 Alessandro Giannessi