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The 2013 IS Open de Tênis was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in São Paulo, Brazil, on 22–28 April 2013.
| 2013 IS Open de Tênis | |
|---|---|
| Date | 22–28 April |
| Edition | 2nd |
| Draw | 32S / 16D |
| Prize money | $50,000 |
| Surface | Clay |
| Location | São Paulo, Brazil |
| Champions | |
| Singles | |
 Paul Capdeville | |
| Doubles | |
 Marcelo Demoliner / João Souza | |
Singles entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| BRA
|
Rogério Dutra Silva | 97 | 1 |
| BRA
|
João Souza | 114 | 2 |
 ITA
|
Matteo Viola | 126 | 3 |
 POR
|
Gastão Elias | 133 | 4 |
 ARG
|
Guido Andreozzi | 165 | 5 |
 TUN
|
Malek Jaziri | 168 | 6 |
| CHI
|
Paul Capdeville | 169 | 7 |
 CRO
|
Antonio Veić | 170 | 8 |
- 1 Rankings as of 15 April 2013
Other entrants edit
The following players received wildcards 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:
Doubles entrants edit
Seeds edit
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| BRA
|
Marcelo Demoliner | BRA
|
João Souza | 190 | 1 |
 USA
|
James Cerretani |  FRA
|
Pierre-Hugues Herbert | 266 | 2 |
| CRO
|
Nikola Mektić | CRO
|
Antonio Veić | 349 | 3 |
| ARG
|
Guillermo Durán | ARG
|
Renzo Olivo | 488 | 4 |
- 1 Rankings as of 15 April 2013
Other entrants edit
The following pairs received wildcards into the doubles main draw:
Thiago Alves / Augusto Laranja- Fabiano de Paula / Júlio Silva
- Rogério Dutra Silva / Eduardo Russi
Champions edit
Singles edit
Paul Capdeville def. 
Renzo Olivo 6–2, 6–2
Doubles edit
- Marcelo Demoliner / João Souza def.
James Cerretani / 
Pierre-Hugues Herbert 6–2, 4–6, [10–6]