Buenos Aires, Feb 13: Second-seeded Fabio Fognini of Italy and third-seeded Tommy Robredo of Spain reached the quarterfinals of the Copa Claro Wednesday.
Fognini, who won the Royal Guard Open in Vina del Mar, Chile, on Sunday, defeated Leonardo Mayer of Argentina 6-7 (4), 6-3, 6-2, reported Xinhua.
Robredo moved into the quarterfinals by beating Guido Pella of Argentina 4-6, 6-1, 6-4.
Fourth-seeded Nicolas Almagro, who beat Horacio Zeballos of Argentina 6-2, 7-5, advanced to the second round of the clay-court tournament.
Spaniard Pablo Andujar reached the quarterfinals upsetting Fifth-seeded Marcel Granollers 6-3, 6-0.
Eighth-seeded Jeremy Chardy of France advanced to the second round, defeating Alejandro Gonzalez of Colombia 6-4, 7-5.
Top-seeded David Ferrer plays his second-round match Thursday.