2011 Qatar Open – Singles

Nikolay Davydenko was the defending champion, but lost to Roger Federer 6–3, 6–4 in the final. Federer did not lose a single set in the entire tournament.

Seeds
• # 🇪🇸 Rafael Nadal (semifinals)

• # Roger Federer (champion)

• # 🇫🇷 Jo-Wilfried Tsonga (semifinals)

• # 🇷🇺 Nikolay Davydenko (final)

• # Ernests Gulbis (quarterfinals)

• # 🇷🇸 Viktor Troicki (quarterfinals)

• # 🇪🇸 Guillermo García-López (quarterfinals)

• # 🇩🇪 Philipp Kohlschreiber (second round)