Croatia needs one more point to win its second Davis Cup title after winning the doubles against Argentina in straight sets on Saturday.
Marin Cilic and Ivan Dodig defeated Juan Martin del Potro and Leonardo Mayer 7-6 (2), 7-6 (4), 6-3 for a 2-1 lead over Argentina in the final.
Cilic can secure the decisive point for Croatia against del Potro in the first reverse singles on Sunday. If del Potro wins, Croatia's Ivo Karlovic and Argentina's Federico Delbonis will decide the final.
"We will push to the end," Dodig, the hero of the doubles victory, said. "Nothing will stop us now."
Cilic said he expects a victory against del Potro in a...