Belgians David Goffin and Steve Darcis picked up consolation victories Sunday as Serbia and Belgium played out a Davis Cup series the Serbs had already won.
Filippo Volandri, unseeded but looking for a third trip to the Croatia Open finals, recorded a first-round victory Monday in kicking off the tournament.
Defending champion David Ferrer and third-seeded Tommy Robredo each won straight-set victories Thursday in the second round of the Swedish Open.
Boris Pashanski posted a straight-set win Monday and earned a second-round match against defending champion David Ferrer at the $512,000 Swedish Open.
Third-seeded Argentine Agustin Calleri and Moroccan Younes El Aynaoui were among Tuesday's second-round winners at the Grand Prix Hassan II.
Fifth-seeded Gilles Simon of France scored a straight-set victory Monday in the first round of the Estoril Open tennis tournament in Portugal.
Top-seeded Argentine David Nalbandian was a first-round winner Monday at the Copa Telmex tennis tournament.
Nicolas Almagro and Filippo Volandri posted easy wins Thursday to move into the quarterfinals of the Brasil Open.
Top-seeded Spaniard Carlos Moya and countryman Albert Montanes both advanced Monday in the opening round of the Brasil Open.
Ninth-seeded Andy Murray, very strong in one set, was upset in four sets Monday in first-round play of the Australian Open.