Iran was defeated against Argentina 5-4 in Pool B in its opening match and defeated the US 8-3 in its second match.
Team Melli is scheduled to play South Africa on Wednesday.
The competition started in Pretoria on February 5 and will run until February 11.
Iran is in Pool B along with the Czech Republic, the US, Australia, South Africa and Argentina.
The top-four teams from each group will advance to the quarter-finals.