The draw for the group stage was held on 5 September 2018 in
Barcelona. The 16 teams were drawn into two groups of eight. In each group, teams play against each other home-and-away in a
round-robin format. The group winners, runners-ups and third placed teams advance to the
Final 8. They are joined by the host of the tournament and the fourth placed team from a group other than one the host plays in. The matchdays are 17 October, 3 and 21 November, 5 and 19 December 2018, 9 and 23 January, 6 and 27 February, 16 and 27 March, 13 and 24 April, 15 May 2019. A total of 9 national associations are represented in the group stage.
Group A Group B ==Final eight==