The fourth edition of the A3 Champions Cup took place in Tokyo, Japan, between 2 and 8 August 2006.

It was won by Korean team Ulsan Hyundai Horang-i, who came back strongly from their defeat in the opening match to win the following two by margins of 6–0 and 4–0.

It was the third time a Korean team has won this competition.

Round 1 Round 2 Round 3