Albert Montanes reaches quarterfinals

BUENOS AIRES, Argentina -- Fourth-seeded Albert Montanes of Spain beat Fabio Fognini of Italy 6-2, 4-6, 6-4 to reach the Copa Claro quarterfinals Wednesday.

Montanes broke Fognini four times in the match, including the only break of the third set, and won 50 percent of the points on the Italian's second serve.

Second-seeded Stanislas Wawrinka needed almost three hours to beat Victor Hanescu of Romania 6-7 (2), 6-1, 7-6 (4).

"I'm really happy because the match was really, really tough," the Swiss said. "Victor is a really strong player, so it's never easy to play against him."

In a late match, No. 5 seed Juan Monaco defeated fellow Argentine Eduardo Schwank 7-6 (5), 6-2 to advance to the quarterfinals. Earlier, eighth-seeded Juan Ignacio Chela of Argentina defeated countryman Horacio Zeballos 7-5, 6-2.

Top-seeded Nicolas Almagro was to face Leonardo Mayer on Thursday in a second-round match and third-seeded David Nalbandian, the home favorite, was up against Juan Pablo Brzezicki of Argentina.