Three other top-five seeds avoided upsets, as No. 3 Marion Bartoli of France beat American Jill Craybas, 6-4, 6-1; No. 4 Japanese Ai Sugiyama defeated Romanian Ioana Raluca Olaru, 1-6, 6-2, 6-4; and No. 5 Russian Vera Zvonareva beat France's Camille Pin, 6-1, 6-2.
But three other seeds lost as Japan's Akiko Morigami beat sixth-seeded Swede Sofia Arvidsson, 6-0, 6-4; Argentine Paola Suarez beat seventh-seeded countrywoman Gisela Dulko, 6-1, 6-3; and Spaniard Virginia Ruano Pascual defeated No. 8 Czech Lucie Safarova, 7-5, 6-4.
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LAUSANNE, Switzerland, June 18 (UPI) --A new computer algorithm that can give humans the ability to map their environments with sound could lead to an app to aid blind people, Swiss researchers say.