Hidden Strength
Tetsuya and Boshu have held up to their fame as the best team in Shinjuku. One day, they faced off with a duo who had just returned from mahjong's homeland China. Tetsuya started the game with complete confidence in himself, but was soon taunted by the endless streaks of yakumans. To make things worse, Boshu seemed indifferent about his plight, and gave him the cold shoulder. Eventually, Tetsuya devised a trick that led them to a massive comeback. The best in Shinjuku pulled off another major victory!
Aired 11/11/2000EP 6 - Hidden Strength

Gambler Densetsu Tetsuya
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: Anime News Network)