Croatia's Marin Cilic (R) and Ivan Dodig celebrate during the Davis Cup World Group final doubles match against Argentina's Juan Martin Del Potro and Leonardo Mayer in Zagreb, capital of Croatia, Nov. 26, 2016. (Xinhua/Miso Lisanin)
Croatia's Marin Cilic (R) and Ivan Dodig celebrate during the Davis Cup World Group final doubles match against Argentina's Juan Martin Del Potro and Leonardo Mayer in Zagreb, capital of Croatia, Nov. 26, 2016. (Xinhua/Miso Lisanin)