Duel is a 2004 Iranian war drama film It was directed by Ahmad Reza Darvish, who was mostly known for films about the Iran–Iraq War. Duel was shot in roughly 11 months in various cities of Iran. The first screening was at the Fajr International Film Festival, in 2004, where it won 8 Crystal Simorgh Award. Also, it is the first Iranian Movie to use Dolby Digital Sound. It is one of the most expensive independent movies ever made in Iranian cinema history.