S'HERTOGENBOSCH, Netherlands, June 20 (UPI) -- Second-seeded Stanislas Wawrinka was one of four straight-set winners in Thursday's quarterfinal play at the Topshelf Open tennis tournament in the Netherlands.
Wawrinka took out Jeremy Chardy 6-4, 7-6 (7-2), winning three-quarters of the points on serve. He was especially effective in the first set, dropping just six points when serving.