Shoubushi Densetsu Tetsuya
Japanese title: 勝負師伝説哲也
Type: TV
Episodes: 20
Premiered: fall 2000
Source: Manga
Studios: Toei Animation
Producers: TV Asahi, Toei Video, Toei Advertising
Duration: 23 min per ep
Rating: R - 17+ (violence & profanity)

In the year 1947, the people of Shinjuku are down on their luck. With little money to buy food or necessities, some resort to gambling in order to survive. Traveling Tetsuya chooses to spend his time at Mahjong parlors where he is wiping the floor clean with his adversaries. However, when Tetsuya meets the intensely skilled Boushu-san, he realizes that his skills are still lacking.

(Source: ANN)