Considered as one of the title favourites, Iran looked in brilliant form as they barely gave Japan an inch in the game. Kazuohiro Takano scored Japan's second point as they trailed 2-12 in the ninth minute.
Meraj Sheykh then added four points to help Iran dominate the first half and go 19-9 up at the break.
Japan mounted a strong comeback in the last seven minutes as they scored 10 points in a row to trail 28-35 in the 37th minute. Masayuki Shimokawa scored eight points for Japan in a valiantly attempt to take his team over the line.
In the end, Iran used their experience and held their nerves to fight back against Japan's late show before wrapping up the tie in their favour.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)