beat the world champion Wang Liqin and the Olympic champion Kong Linghui), Timo Boll finished the year as the highest ranked player in the world. During the European Championship of 2003, Vladimir Samsonov led the Belarusian team to victory in the final against the German team. After his elimination during the second round of the singles competition, Boll lost his number one position in the world rankings. Injury and comeback (2004–2006) Back problems troubled Boll during the first half of 2004, which hindered his preparation for the 2004 Summer Olympics. Here, he was outclassed in the quarterfinal by Jan-Ove Waldner. After a period marked by public criticism, Timo Boll won tournament victories in Poland, Austria, and Germany. He also reached semi-finals of the Pro Tour in Peking, where he was edged out 3–4 by Ma Lin. Early in the 2005 season, Boll's back problems struck again; nevertheless, he won the silver medal in doubles at the World Championship, playing with Christian Süß. He was awarded the Fair Play Award from the ITTF after a referee's decision was reversed in favor of his opponent during the knockout rounds of that competition, leading to a defeat. The year ended with Boll winning the Champions League with , and the Table Tennis World Cup in Liège in Belgium, in which he defeated all three Chinese first-class players. In 2007, he won the European Championship in singles, doubles, and in the team competition. Draft to Borussia Düsseldorf In December 2006, Timo Boll signed a 3-year contract with , the current championship record-holding team, due to his former team's financial situation and loss of key players. Boll also moved in light of the upcoming Olympic Games 2008 and the possibility to train there with his doubles partner, Christian Süß. His 3-year contract with Borussia Düsseldorf began on 1 July 2007, with stipulations allowing him to miss certain Bundesliga matches in order to focus on international tournaments. His contract was later extended until 2022. Climb to World No. 1 and further success (2007–2015) In 2007, he won the European Championship singles, doubles, and in the team competition. He was also active as a guest player in the Chinese Super League. During the 2008 Summer Olympics in Beijing, he participated again with the German national team. After victories over Croatia, Canada, Singapore and Japan in preliminary rounds and the semi-final, the team lost 0–3 against the host