his next 12 tournaments with wins in 2005 ABN AMRO World Tennis Tournament, Davis Cup, 2005 Estoril Open, and his only back-to-back win in the 2005 Wimbledon. He then underwent shoulder surgery in July 2005, forcing him to stop playing the rest of the year. In 2006 he added physical rehabilitation and development practice with coach Agne Bergvall together with Swedish track and field stars Carolina Klüft, Susanna and Jenny Kallur. Despite playing only in half of the year he ended at no. 45 still. In February 2006, he played in the SAP Open in San Jose but sustained another injury. He was forced to skip tournaments in Indian Wells and Miami, until beginning a second comeback in July 2006 by playing Challenger and Futures tournaments. In October 2006, Johansson made a triumphant return to the ATP Tour in the Stockholm Open. He defeated Davide Sanguinetti in the first round, as a wildcard. He stunned the top seed and world number two, Rafael Nadal, in straight sets in the second round. In that match, Johansson fired 17 aces, and announced his return to the top of the game, calling it his "greatest win ever." Johansson made it to the semifinals of the tournament before losing to fifth-seeded Jarkko Nieminen in three sets. In his next tournament, the Madrid Masters, Johansson pulled off another upset in the second round, defeating fifth-seeded Nikolay Davydenko in three sets. He was forced to withdraw from his next match due to a throat infection. In 2007 Johansson only competed in 4 tournaments in the 2007 Next Generation Adelaide International reaching the Semifinals before losing to Novak Djokovic, 2007 Australian Open retiring in the first round to Guillermo García-López 1–1 in the first set. He then underwent right shoulder surgery on 23 Feb. in Milan and did not return again until September for a Davis Cup SF tie against U.S. (l. to Roddick in opening rubber). Only lost his serve once in three sets to No. 5-ranked American. After the Davis Cup, he played one tournament in the 2007 Stockholm Open defeating Carlos Berlocq in the first round before withdrawing from the second round due to illness against eventual champion Ivo Karlović. 2008–present (retirement and return) Johansson retired from professional tennis on 1 February 2008 due to his persistent shoulder injury. Johansson said there was "no other option" than to quit. But on 3 October 2008