Argentinean Armenian David Nalbandian defeated fellow countryman Carlos Berlocq in two sets, and with a score of 6:0, 6:3, at the quarterfinals of ATP World Tour’s Copa Claro in Buenos Aires.

And in the semifinals, Nalbandian will face the tournament’s top seed, David Ferrer of Spain.  

Copa Claro’s prize money is US$ 484 thousand.