| 2011 São Léo Open | |
|---|---|
| Date | 31 October – 6 November |
| Edition | 1st |
| Location | São Leopoldo, Brazil |
| Champions | |
| Singles | |
 Leonardo Mayer | |
| Doubles | |
 Franco Ferreiro / Rubén Ramírez Hidalgo | |
· 2012 → | |
The2011São Léo Open was a professionaltennis tournament played onclay courts. It was the first edition of the tournament which is part of the2011 ATP Challenger Tour. It took place inSão Leopoldo, Brazil between 31 October and 6 November 2011.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 POR | Rui Machado | 80 | 1 |
| ARG | Diego Junqueira | 91 | 2 |
| POR | Frederico Gil | 96 | 3 |
| ARG | Leonardo Mayer | 99 | 4 |
| BRA | Ricardo Mello | 109 | 5 |
| ESP | Rubén Ramírez Hidalgo | 130 | 6 |
| ARG | Máximo González | 131 | 7 |
 USA | Wayne Odesnik | 136 | 8 |
The following players received wildcards into the singles main draw:
Guilherme ClézarFranco FerreiroAndré Ghem Bruno Sant'annaThe following players received entry as a special exempt into the singles main draw:
The following players received entry as an alternate into the singles main draw:
The following players received entry from the qualifying draw:
Marcelo DemolinerPablo GaldónAndré Miele Marco TrungellitiLeonardo Mayer def.
Nikola Ćirić, 7–5, 7–6(7–1)
Franco Ferreiro /Rubén Ramírez Hidalgo def.Gastão Elias /Frederico Gil, 6–7(4–7), 6–3, [11–9]