Soderling pasted Daniel Gimeno-Traver 6-2, 6-3 in 61 minutes in moving on to the quarterfinals. He lost only eight points in nine service games and saved both break points he faced.
Gimeno-Traver had seven aces but still landed only 46 percent of his first serves. Soderling grabbed that advantage, winning 56 percent of the points off Gimeno-Traver's second serve.
Soderling will go against eighth-seeded Gael Monfils in Friday's quarterfinals. Monfils capped the day's schedule with a 6-2, 6-4 win over Stanislas Wawrinka. Monfils had four breaks of Wawrinka's serve.
Fourth-seeded David Ferrer and No. 6 Nikolay Davydenko also advanced.
Ferrer lost only four points on serve in topping Teymuraz Gabashvili 6-4, 6-1; and Davydenko defeated Juan Ignacio Chela 7-6 (7-0), 6-2.
Also Thursday, Marcel Granollers beat Pablo Andujar 6-2, 6-2; and Potito Starace escaped Pablo Cuevas 7-6 (7-2), 2-6, 6-2.
In addition to the Soderling-Monfils quarterfinal, Friday schedule calls for Juan Monaco to play Granollers, Gilles Simon to meet Davydenko and Ferrer to go against Starace.
Copyright 2010 United Press International,