Serbia Ladies Open: Seeds tumble; Yulia Putintseva, Leylah Fernandez reach 2R

The Serbia Ladies Open lost two of its top-eight seeds on Monday after third seed Shuai Zhang and eighth seed Danka Kovinic lost their respective opening-round matches. Colombian qualifier Maria Camila Osorio Serrano upset Zhang 6-2, 1-6, 7-6(4) in two hours and 21 minutes. Not much separated the two players...