Germany is obliged to admit the head of state of a participating nation, and the tournament’s official motto is "A Time To Make Friends". But Mr Ahmadinejad has demanded Israel’s destruction and has repeatedly denied the holocaust - a crime in Germany.
By unhappy coincidence Iran’s first match is in the stadium on the Nuremberg complex used by Hitler for his mass rallies, and German neo-Nazis are planning a march in support of Mr Ahmadinejad. But Israel, Iranian exiles and leading German politicans are demanding that he is kept away.
May 3, 2006
What to do about Ahmadinejad?
Some Germans don't want him to come see his team play in the World Cup.