Legendary Gambler Tetsuya

is a Japanese manga series written by Fūmei Sai and illustrated by Yasushi Hoshino. In 2000, it won the Kodansha Manga Award for shōnen. An anime adaptation by Toei Animation was broadcasted on TV Asahi from October 7, 2000 to March 24, 2001. for 20 episodes.

Plot
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.