GSTAAD, Switzerland (AP) -- Second-seeded Stanislas Wawrinka advanced to the quarterfinals of his home Swiss Open tournament on Thursday, beating Peter Luczak of Australia 6-3, 7-5.
Wawrinka used his first serves, including nine aces, to control play against the 248th-ranked Luczak.
The Swiss No. 2 plays Marcel Granollers in the quarterfinals, after the eighth-seeded Spaniard completed a rain-affected match that started Wednesday.
Granollers quickly won two games to beat Igor Andreev of Russia 6-1, 6-3.
In other rain-interrupted matches, fourth-seeded Fernando Verdasco of Spain beat Frederico Gil of Portugal, 6-3, 6-2, and fifth-seeded Feliciano Lopez beat fellow Spaniard Daniel Gimeno-Traver 6-3, 6-4.