This helped Argentina to a 3–2 victory over Serbia in the semifinals, booking their place in the final. He then played in the Stockholm Open, losing in the second round to James Blake. He then reached the final in Vienna, losing for the first time to Jo-Wilfried Tsonga. Despite having won the first set, he eventually lost the final. Del Potro then reached the semifinals of the Valencia Open 500, losing to eventual champion Marcel Granollers. He then withdrew from the Paris Masters due to a shoulder injury, wiping out his chances of qualifying for the Year-end championships. Del Potro played in the Davis Cup Final, with the title on the line and looking to fulfill his childhood dream. He lost in the second rubber to David Ferrer, despite being two sets to one up, eventually losing in a pulsating five-set contest in a match lasting over five hours. With his country down 2–1, del Potro needed to beat Rafael Nadal in the reverse singles to keep the tie going. Del Potro dominated the first set, but could not keep his level up and lost in four sets. For the third time in six years, Argentina lost in the finals of the Davis Cup World Group, this time 3–1. Del Potro finished the year ranked world No. 11, despite being ranked no. 485 at one stage. He was named 2011 ATP Comeback Player of the Year. 2012: Olympic Bronze, back to top 10 Del Potro's first tournament of the year was the 2012 Apia International Sydney, where he was the top seed. He made it to the quarterfinals after receiving a bye into the second round. He defeated Łukasz Kubot in the second round. In the quarterfinals, he was beaten by Marcos Baghdatis. In the first round of the 2012 Australian Open, del Potro defeated Adrian Mannarino in four sets. He reached the quarterfinals of the Grand Slam for the second time, losing to Roger Federer in the quarterfinals. He went on to play in Rotterdam at the 2012 ABN AMRO World Tennis Tournament in Rotterdam, where he was third seed. Here he defeated Tomáš Berdych in order to make it to his first final of an ATP 500 level tournament or higher after returning from his wrist injury in 2010. He lost to Federer in straight sets in the final. At the Open 13 in Marseille, del Potro defeated