Iran beat Besiktas 29-26 Monday night before traveling to Kuwait for the Asian championship.
Team Melli had already defeated the Turkish giant and Beykoz Bld in two other friendly matches.
The 2020 Asian Men's Handball Championship is the 19th edition of the championship held under the aegis of Asian Handball Federation.
The championship will be held in Kuwait City, Kuwait from January 16 to 27.
It acts as the Asian qualifying tournament for the 2021 World Men's Handball Championship.
Iran has been drawn in Pool A along with Bahrain and New Zealand.
Pool B consists of Qatar, Japan and China. South Korea, Saudi Arabia and Australia are in Pool C.
Host Kuwait is in Pool D along with the UAE, Iraq and Hong Kong.