Isner, Tsonga win second-round matches

Defending champion John Isner and top seeded Jo-Wilfried Tsonga

of France both won Tuesday in the second round of the Winston-Salem


The third-seeded Isner was pushed to three sets before beating

Slovakia’s Martin Klizan 4-6, 6-3, 7-5.

Tsonga, the highest-ranked player (sixth) in the final

hard-court tournament before the U.S. Open, beat Brazil’s Thomaz

Bellucci 6-3, 7-6 (7-2).

Also advancing to Wednesday’s round of 16 were second-seeded

Tomas Berdych of the Czech Republic, fourth-seeded Alexandr

Dolgopolov of the Ukraine, sixth seed Marcel Granollers of Spain,

seventh-seeded Sam Querrey, ninth-seeded Feliciano Lopez of Spain,

No. 13 seed Jurgen Melzer of Austria, No. 14 seed David Nalbandian

of Argentina and 16th seed Jarkko Nieminen of Finland.