There's a ball game tournament at Seigaku, and the tennis club members are required to play other sports. Ryoma enters the ping-pong competition, but his opponent seems to be nursing a grudge.
How do you know that, old man?
Woher weißt du das?
¿Y cómo sabes eso, anciano?
¿Cómo lo sabes, viejo?
Comment tu le sais, papa ?
Como você sabe disso, pai?