See main article: 2011 Bet-at-home Cup Kitzbühel. Andreas Seppi was the defending champion, but he lost in the quarterfinals to Robin Haase.
Robin Haase won the title, defeating Albert Montañés 6–4, 4–6, 6–1 in the final.
This was the first ATP tournament main draw appearance for future US Open champion and world No. 3 Dominic Thiem.
The first four seeds received a bye into the second round.
See main article: 2011 Bet-at-home Cup Kitzbühel – Singles qualifying.