The Iranian team started the campaign with a close 16-15 victory over Russia in Group A.
Iran, headed by Bijan Moghanlou, lost to South Korea 25-13 in its second match and suffered the third 31-19 defeat against Turkey.
The Iranian team concluded of Farzan Ashourzadeh, Abolfazl Yaghoubi, Mehdi Jalali, Masoud Hajizavareh, Saeid Rajabi and Siavash Fakhraei in the competition.
Group B consists of Azerbaijan, Belgium and USA.
Ivory Coast and Australia have already withdrawn from the competition.
The two-day competition will finish on Tuesday in Azerbaijan's capital Baku.
Baku also staged the WTF Grand Prix Final this weekend, where Iran’s Sajjad Mardani claimed a gold medal in the +80kg weight category.