Buenos Aires: Top-seeded David Ferrer of Spain outlasted hometown favorite David Nalbandian in three sets on Thursday to reach the quarterfinals of the Copa Claro in the Argentine capital.
Ferrer, the defending champion and No. 4 in the ATP rankings, won 2-6, 6-4, 6-0 and will face Fabio Fognini of Italy in the quarterfinals on Friday.
No. 2 Nicolas Almagro of Spain also reached the quarterfinals on Thursday, defeating Andrey Kuznetsov of Russia 7-6 (5), 6-2. Almagro faces Federico Delbonis of Argentina in the next round.