They will be played Friday, weather-permitting.
The re-scheduled matches are second-seeded Albert Montanes of Spain-Lukasz Kubot of Poland, third-seeded Thomaz Bellucci of Brazil-Daniel Gimeno-Traver of Spain, fifth-seeded Victor Hanescu of Romania-Ricardo Mello of Brazil and Spain's Marcel Granollers-Fabio Fognini of Italy.
Top-seeded Juan Carlos Ferrero of Spain, fourth-seeded Igor Andreev of Russia, sixth-seeded Pablo Cuevas of Uruguay and Argentine qualifier Carlos Berlocq all won their second-round matches Wednesday to advance to the quarterfinals.
Bellucci, last week's winner at the Movistar Open in Santiago, was the 2009 Brasil Open runner-up to Spain's Tommy Robredo.
The Brasil Open champion earns $75,700.