Claim: At the 2010 Challenger Salinas Diario Expreso, the number one seeded player was Nicolás Massú, a retired Chilean tennis player.
Evidence: Nicolás Massú 1 Nicolás Alejandro Massú Fried (Spanish pronunciation: [nikoˈlaz maˈsu; born 10 October 1979), nicknamed El Vampiro (Spanish: "the vampire"), is a Chilean retired tennis player, a former world No.