Marin Cilic unfortunately hits a Ball Girl during the match in the Davis Cup, and Del Potro helps her out and walks her out of the court to make sure she is ok Juan Martin Del Potro finally won the game (6-7 (4-7), 2-6, 7-5, 6-4, 6-3) to put the series 2-2. Argentina ends up winning the Davis Cup for the first time in the Country History after Federico Delbonis defeated Ivo Karlovic.