GSTAAD, Switzerland, July 24 (UPI) -- No. 2-seeded Stanislas Wawrinka claimed a straight-set win Wednesday that lifted him into the quarterfinals of the Swiss Open.
Wawrinka, the second-highest rated Swiss player, behind Roger Federer, held off a late charge to defeat Daniel Gimeno-Traver 7-5, 7-6 (7-4).