Marin Draganja and Nikola Mektic has beaten Spain’s Feliciano Lopez and Marco Lopez 6-7 (6) 7-6 (7) 7-6 (5) 2-6, 6-4 to give Croatia a 2-1 lead in their Davis Cup first-round tie.
Croatia’s win on Saturday comes a day after Franko Skugor won the opening World Group singles against Spain’s Pablo Carreno Busta before Roberto Bautista Agut evened the score by beating Ante Pavic.
Croatia, last year’s runner-up, is without its four top players – Marin Cilic, Ivo Karlovic, Borna Coric and Ivan Dodig.
Spain is without Rafael Nadal.