The LEN Champions League is the top-tier European professional water polo club competition with teams from up to 18 countries.

A change of name and format occurred in 1996, with the competition being renamed Champions League and the final four system being established as the format of choice, for the first time during the 1996–97 LEN Champions League.

The most successful club in the competition is Pro Recco, with eleven titles.

He was a player and Partizan's coach during the seasons in which the Belgrade-based club won its first three titles (1963/64, 1965/66 and 1966/67).

Titles (2) as a player and a coach: Veselin Đuho, Marco Baldineti, Vjekoslav Kobeščak.