Spain's Jaume Munar disappointed the fans at the Cordoba (Argentina) Open on Wednesday, upsetting top-seeded Argentinian Francisco Cerundolo 7-5, 6-4 in second-round action. Munar repeatedly got into and out of trouble, saving 10 of 12 break points while beating Cerundolo for the first time in three career matchups. In the quarterfinals, Munar