The Anadolu Efes and Fenerbahçe Beko "Istanbul Derby" has evolved into one of the most high-stakes rivalries in the Turkish Airlines EuroLeague, with both teams consistently contending for the Final Four. While Anadolu Efes holds a strong legacy with back-to-back EuroLeague titles in 2021 and 2022, Fenerbahçe has gained the upper hand in the 2025–26 season, securing multiple victories in both EuroLeague and BSL play. For secure, high-definition streaming of these high-stakes matchups, fans should use official channels like EuroLeague TV rather than unauthorized sites, which can offer inconsistent quality and potential risks.