| 2011 AON Open Challenger | ||||
|---|---|---|---|---|
| Date | 5–11 September | |||
| Edition | 9th | |||
| Location | Genoa, Italy | |||
| Champions | ||||
| Singles | ||||
 Martin Kližan | ||||
| Doubles | ||||
 Dustin Brown / Horacio Zeballos | ||||
| ||||
The2011AON Open Challenger was a professionaltennis tournament played onclay courts. It was the ninth edition of the tournament which was part of the2011 ATP Challenger Tour. It took place inGenoa, Italy between 5 and 11 September 2011.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | Pablo Andújar | 45 | 1 |
| ARG | Carlos Berlocq | 74 | 2 |
 POR | Rui Machado | 79 | 3 |
 ITA | Filippo Volandri | 85 | 4 |
 KAZ | Andrey Golubev | 98 | 5 |
| SVK | Martin Kližan | 103 | 6 |
| ARG | Diego Junqueira | 104 | 7 |
| POR | Frederico Gil | 106 | 8 |
The following players received wildcards into the singles main draw:
Pablo Andújar Andea Basso Edoardo Eremin Francesco PiccoThe following players received entry from the qualifying draw:
Benjamin Balleret Guillermo DuránThomas Fabbiano
Michael LinzerThe following players received entry as alucky loser into the singles main draw:
Enrico BurziRenzo OlivoMartin Kližan def.Leonardo Mayer, 6–3, 6–1
Dustin Brown /Horacio Zeballos def.
Jordan Kerr /
Travis Parrott, 6–2, 7–5