See main article: 2015–16 Eurocup Basketball.
The 2015–16 Eurocup Basketball Regular Season was played from 13 October to 16 December 2015. A total of 36 teams competed in the group stage to decide the 24 places in the Last 32 with the 8 places dropped from the Euroleague Regular Season.
If teams are level on record at the end of the Regular Season, tiebreakers are applied in the following order: