Greece have lost 2-0 to Sweden in a setback as they seek to defend their title at the Euro 2008 football championship.
In the other match in Group D on Tuesday, Spain trounced Russia 4-1 with Villa scoring a hat-trick.
Sweden's Ibrahimovic and Hansson scored in the second half of the match against title holders Greece.
Spain's Villa scored three goals against Russia, taking his team to the top of the group after the first round.
Both matches took place in Austria, which is co-hosting the championship with Switzerland.
The home team will meet Turkey in a crucial game on Wednesday, while Portugal take on the Czech Republic.
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