2011 Astana Cup – Singles

Igor Kunitsyn was the defending champion but decided not to participate.

Rainer Schüttler claimed the title. He won against Teymuraz Gabashvili 7–6(8–6), 4–6, 6–4 in the final.

Seeds
• # 🇩🇪 Rainer Schüttler (champion)

• # 🇷🇺 Teymuraz Gabashvili (final)

• # 🇷🇺 Alexander Kudryavtsev (semifinals)

• # 🇷🇺 Konstantin Kravchuk (first round)

• # 🇸🇰 Andrej Martin (first round)

• # Raven Klaasen (first round)

• # 🇲🇩 Radu Albot (quarterfinals)

• # 🇫🇷 Fabrice Martin (quarterfinals)