The 5th Ing Cup began on 20 April 2004 and concluded on 5 March 2005. Chang Hao defeated Choi Cheol-han 3–1 in the finals.
The main tournament featured 24 players:
Lee Chang-ho, Ma Xiaochun, Otake Hideo, Yoda Norimoto, Chang Hao, Rin Kaiho, O Meien, and Yu Bin were given first round byes.
References
5th Ing Cup Wikipedia(Text) CC BY-SA