The 2006–07 FIBA EuroCup Challenge was the 5th edition of Europe's fourth-tier level transnational competition for men's professional basketball clubs.[1] The season had the participation of 16 teams. The Russian club CSK VVS-Samara won the title, after beating the Cypriot club Keravnos in the Final.
The quarterfinals were two-legged ties determined on aggregate score. The first legs was played on January 11. All return legs were played on January 18.
The quarterfinals were two-legged ties determined on aggregate score. The first legs was played on February 28 and on March 1. All return legs were played on March 8.