Serbia's Nenad Zimonjic (L) and Novak Djokovic celebrate their teammates Viktor Troicki and Nenad Zimonjic's victory after their Davis Cup quartefinal tennis match against Spain's Pablo Carreno Busta and Marc Lopez in Belgrade on April 8, 2017. Serbia defeated Spain 3-0 and advanced to semifinal. (Xinhua/Predrag Milosavljevic)
