The purpose of this study was to explain the views of experts on the mechanisms of sports diplomacy in reducing political tensions between the Islamic Republic of Iran and the countries bordering the Persian Gulf after the 40-day war. The statistical population of the study was all political and sports managers at the highest level in the country, individuals with academic education (faculty members), individuals with valuable experiences and knowledge of reputable books and articles in the field of sports diplomacy, and experts who were selected using two methods of purposeful sampling and snowball sampling. The interviews were conducted with 12 people until theoretical saturation was reached. The results showed that paying attention to cultural commonalities, paying attention to the inherent capacity of sports, reducing the necessity of political tensions, confronting the enemy's bad propaganda, and increasing the international status of our country (causal conditions); Cultural, institutional, regional, legal and policy-making context (contextual conditions); managers' attitudes and thinking, structural limitations, weak human resources, geopolitical and international developments (intervening conditions); sports-oriented, event-oriented, cultural, sports and economic diplomacy strategies; (strategies); and political, economic, sports and social consequences were among the consequences of reducing political tension from the perspective of managers and experts. Considering the results obtained, it seems necessary to prepare a strategic document with the participation of major institutions such as the Supreme National Security Council, the Ministry of Sports and Youth, the Ministry of Foreign Affairs, the National Olympic Committee, the Iranian Broadcasting Corporation, etc.,