Yu-Gi-Oh! (Toei) episode 12: "A Lucky Foe Calls Out - The Invincible Legend"
Ryuichi Fuwa (不破龍一, Fuwa Ryūichi) is the second Game Master.
While he has no notable skill with gaming, Ryuichi possesses a supernatural amount of luck. By relying solely on chance, he is capable of winning any challenge. He pushes around Yugi Muto and his friends, under Kaiba's orders, until Dark Yugi challenges him to a concentration Shadow Game. Ryuichi loses when, rather than relying on luck, he chooses a panel that he knew hid a match, only to discover that a short circuit immediately before had replaced the tile, leading to Dark Yugi claiming the victory. After this, his luck diminishes, and he loses his champion title with the game show that he worked on.
Later, during the final Death-T episode, Aileen Rao and Ryuichi are paired against Miho and Jonouchi. Jonouchi and Aileen have the battle suits while Miho and Ryuichi are at the controls. Jonouchi and Miho defeat Aileen and Ryuichi.