Juan cerundolo

Buenos Aires Lawn Tennis Club: Italian second seed Luciano Darderi advanced to the Argentina Open quarterfinals on Friday with a 6-1, 6-3 win over Chile's Tomas Barrios.

World No. 22 Darderi hit six aces and won 95 percent of his first service points to take the match in an hour and 22 minutes on the outdoor clay of the Buenos Aires Lawn Tennis Club.

Barrios, who is ranked 114th, won only 47 percent of points on his first serve and committed 22 unforced errors.