It is also considered common knowledge that the venue was Quentin Tarantino's inspiration in the making of this fight scene in Kill Bill Vol. 1 --
Warning: gratuitous violence
Here is a picture that I snapped at of Gonpachi, the alleged source of Tarantino's inspiration:
The legend has deep roots, but I can't find any direct confirmation of the inspiration, except the chatter of 10,000 blogs, so I leave you to be the judge.