Former Barcelona president Sandro Rosell went on trial Monday in Madrid for money laundering, Spain's National Court said.
Rosell, his wife and four others are accused of "large-scale money laundering" of at least 19.9 million euros ($23 million) since 2006 relating to television rights and sponsorship in Brazil.
The 54-year-old was due to take the stand on Monday or Tuesday.
By early afternoon on Monday, he had still not spoken as the court examined procedural issues.
Prosecutors at the Madrid-based National Court have called for the ex-Barca boss to be jailed for 11 years and fined 59 million euros.
The Rosells are accused of hiding money illegally obtained by Ricardo Teixeira, the former head of the Brazilian Football Confederation.