Souza Ricardo Lucarelli scored 20 points for Brazil and Meysam Salehi earned 15 points for Iran.
Iran will meet Slovenia on Thursday.
A total of 32 of the world’s top national teams compete at the VNL 2021 bubble in Rimini, Italy to showcase electrifying volleyball action for millions of fans worldwide.
The 16-team tournament began with a round-robin phase where each side play 15 games.
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