The top five teams took part in a round-robin competition held on five consecutive weekends between 24 April and 22 May 2010, with each match hosted by one of the participants.

The main tournament was contested by the Arabian Gulf rugby union team, Hong Kong, Japan, Kazakhstan and South Korea.

Japan maintained their unbeaten streak within the Asian Five Nations, winning the tournament for the third time in a row, with an average winning margin of over seventy points in their four games.

Hong Kong and the Arabian Gulf came third and fourth respectively, with two victories each, while Korea were relegated to Division One for the 2011 competition after failing to win a match.

The teams involved, with their world rankings pre tournament, were: Scoring System