Rafael Nadal, who received a first round bye like the other top seven seeded players, will face the winner of the match Between Spain's Guillermo Garcia-Lopez and Belgium's Olivier Rochus in the second round. Possible Between the quarter-finals are top seeds:

Rafa Nadal, Janko Tipsarevic, Tomas Berdych, Kei Nishikori, David Ferrer, Feliciano Lopez, Andy Murray, Nicolas Almagro.

Top seed is Nadal, followed by second seed Murray, Ferrer, Berdych, Tipsarevic, Almagro, Lopez and Nishikori.

2012 Barcelona Open Banc Sabadell Official Tournament
April 23-29

Here is the entry list singles players:
Rafael Nadal (Spain)
Andy Murray (Scotland)
David Ferrer (Spain)
Tomas Berdych (Czech Republic)
Janko Tipsarevic (Serbia)
Nicolas Almagro (Spain)
Feliciano Lopez (Spain)
Kei Nishikori (Japan)
Fernando Verdasco (Spain)
Juan Monaco (Argentina)
Marcel Granollers (Spain)
Milos Raonic (Canada)
Radek Stepanek (Czech Republic)
Kevin Anderson (South Africa)
Juan Ignacio Chela (Argentina)
Bernard Tomic (Australia)
Nikolai Davydenko (Russia)
Jarkko Nieminen (Finland)
Pablo Andujar (Spain)
Andreas Seppi (Italy)
Juan Carlos Ferrero (Spain)
Olivier Rochus (Belgium)
Thomaz Bellucci (Brazil)
Denis Istomin (Uzbekistan)
Lukasz Kubot (Poland)
Albert Montanes (Spain)
Fabio Fognini (Italy)
Robin Haase (Netherlands)
Albert Ramos (Spain)
Santiago Giraldo (Colombia)
Filippo Volandri (Italy)
Dudi Sela (Israel)
Mikhail Kukushkin (Kazakhstan)
Philipp Petzschner (Germany)
Xavier Malisse (Belgium)
Potito Starace (Italy)
Lukas Lacko (Slovakia)
Alejandro Falla (Colombia)
Steve Darcis (Belgium)
Ernests Gulbis (Latvia)
Sergiy Stakhovsky (Ukraine)
Leonardo Mayer (Argentina)
Igor Kunitsyn (Russia)
Flavio Cipolla (Italy)
Rui Machado (Portugal)
Lukas Rosol (Czech Republic)
Frederico Gil (Portugal)
Edouard Roger-Vasselin (France)
Pere Riba (Spain)
Victor Hanescu (Romania)
Matthew Ebden (Australia)
Guillermo Garcia-Lopez (Spain)
Matthias Bachinger (Germany)
Benoit Paire (France)
Andreas Beck (Germany)
Paolo Lorenzi (Italy)
Adrian Ungur (Romania)
Joao Souza (Brazil)
Daniel Gimeno-Traver (Spain)
Malek Jaziri (Tunisia)
Blaz Kavcic (Slovenia)
Igor Andreev (Russia)