The Real Madrid goalkeeper is wary of the threat posed by Les Bleus' forward-thinking players, but is confident that the world champions can cause Laurent Blanc's men problemsIker Casillas has praised French forwards Karim Benzema and Franck Ribery, but feels Spain's attackers are better.
"Benzema and Ribery are great players but our attack is better than the French," he told reporters leading up to the game.
La Roja take on Laurent Blanc's men in the Euro 2012 quarterfinals on Saturday to see who will face Portugal in the last four.
The Real Madrid goalkeeper is wary of the threat posed by Les Bleus' attacking players, and is eager to get revenge for defeat by France back in 2000.
"The match will be difficult because France have a great coach. The first disappointment of my international career was our elimination in the quarterfinals of Euro 2000 by France [2-1]," he said.
"At the time they were world champions. Today, that's us," he concluded.