Costa Do Sauipe, Brazil: After bad weather postponed their match Thursday, the 69th-ranked Monaco disatched Alves and prepared to face compatriot Juan Ignacio Chela or Spain's Ruben Ramirez Hidalgo in the next round.Argentina's Guillermo Canas also advanced to the final eight, completing a 6-4, 6-0 victory over Spain's Albert Portas. Canas was leading 6-4, 1-0 on Thursday when rain forced officials to suspend the match.The rain that postponed several matches Thursday returned Friday. After another weather interruption, Argentina's Juan Ignacio Chela was able to complete a 6-2, 6-3 victory over Spain's Ruben Ramirez Hidalgo to advance to the quarterfinals.But the rain wouldn't allow any more play and the quarterfinals were postponed to Saturday.Alves committed numerous unforced errors and disappointed the hometown crowd in the northeastern resort on Brazil's Atlantic coast."I played badly today. My ball was too short," said the Brazilian, who defeated fourth-seeded Carlos Moya of Spain in the first round.