The Real Professional
A gambler should never let his feelings cloud his judgment! Danchi took Tetsuya's lesson by heart, and regained composure. Yet again, he went on to challenge his nemesis, the Nezus. Danchi finally managed to disrupt their teamwork and while his father watched from the side, he completely crushed his opponents! Danchi then returned to tell Tetsuya the good news. Tetsuya was glad that Danchi was back, and didn't say a word.
Aired 24/02/2001EP 16 - The Real Professional

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)