of the Deutsche Eishockey Liga (DEL) in his native Germany. After two seasons with the Sharks, he announced his retirement from professional hockey in March 2018. International play As a junior, Ehrhoff competed for Germany's under-18 team at the inaugural 1999 IIHF World U18 Championships, hosted in Füssen and Kaufbeuren, Germany. He returned the following year for the 2000 IIHF World U18 Championships in Switzerland, where Germany finished in seventh place. Ehrhoff then debuted at the under-20 level in Division I of the 2001 World Junior Championships. Hosting the tournament in the cities of Füssen and Landsberg, Germany missed a promotion to the main tournament the following year by finishing in second place behind France. Ehrhoff made his second appearance at the Division I level for the 2002 World Junior Championships in Austria, leading all tournament defencemen with three goals and 10 points in five games. He helped Germany earn a promotion to the main tournament for the following year, defeating Austria 7–1 in the gold medal game. In both years competing in the tournament, Ehrhoff earned Top Defenceman honours. Two months after his final international junior appearance, Ehrhoff debuted with Germany's senior team for the 2002 Winter Olympics in Salt Lake City. He played in seven games as the second youngest player in the tournament. Germany was eliminated by the United States in the quarterfinal with a 5–0 shutout loss. Later that year, he competed in the 2002 World Championships, scoring five points in seven games. Germany was defeated in the quarterfinal by Sweden 6–2. Ehrhoff made his second World Championships appearance in 2003, but failed to register a point as Germany were once again losers in the quarterfinal round. After his rookie season in the NHL, Ehrhoff competed for Germany in the 2004 World Cup. They lost 2–1 to Finland in the quarterfinal. The following year, he registered an assist in six games at the 2005 World Championships. Germany finished second-to-last in the tournament. After failing to qualify for the quarterfinal, they won one of three games in the relegation round. On 21 December 2005, Ehrhoff was named to the German Olympic team, along with Sharks teammate Marcel Goc, for the 2006 Winter Games in Turin. His lone goal of the tournament came against Canada, a 5–1 loss. He added an assist in the tournament for two points in five games as Germany failed to win a preliminary