Iran had previously defeated Kazakhstan, Puerto Rico, South Korea, Canada, Poland, Argentina, and China in its earlier matches.
The young Persians will meet Italy in the final on Sunday. The US will play the Czech Republic in the third-place match.
The 2025 FIVB Volleyball Men's U-21 World Championship is the 23rd edition of the tournament, contested by men’s national teams under the age of 21 who are members of the Fédération Internationale de Volleyball (FIVB), the sport’s global governing body.
The event is taking place in China from August 21 to 31, 2025.
Iran is the defending champion.