 | |
| Tournament details | |
|---|---|
| Host country | Japan |
| Dates | 2 – 8 August |
| Teams | 4 (from 1 confederation) |
| Venue(s) | 1 (in 1 host city) |
| Final positions | |
| Champions |  Ulsan Hyundai Horang-i (1st title) |
| Runners-up |  Gamba Osaka |
| Third place | JEF United |
| Fourth place |  Dalian Shide |
| Tournament statistics | |
| Matches played | 6 |
| Goals scored | 26 (4.33 per match) |
| Attendance | 70,950 (11,825 per match) |
| Top scorer(s) | Lee Chun-Soo (Ulsan Hyundai, 6 goals) |
| Best player(s) | Lee Chun-Soo (Ulsan Hyundai) |
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.