VIENNA, Oct. 26 (UPI) -- Juan Martin del Potro and Kevin Anderson claimed quarterfinal spots with wins Wednesday at the Erste Bank Open tennis tournament in Vienna.
Del Potro, seeded second, won 70 percent of the points on serve en route to a 6-3, 6-4 victory over Philipp Petzschner. He saved all four of the break points he saw in the first set and dropped only six points on serve in the second.