Table Tennis: Swing the racket billions of times and achieve a grand slam

Description

The Paris Olympics concluded with the national table tennis team winning five gold medals, but the problems exposed are also worrying.
In addition to the top 32, the echelon construction problem of men's table tennis needs to be solved urgently.
At the beginning of a new Olympic cycle, a straight-laced genius boy emerged and suppressed the world table tennis world.
Men's table tennis head coach: "I am a master of straight and horizontal play, and he is the real pinnacle."
Hexagon Warrior: "With him in the national table tennis team, I can finally retire with confidence."
Jin Zuozhi: "I am already so comprehensive, but he is more comprehensive than me."
ITTF: "His ball is sometimes fierce and sometimes coquettish, and he is worthy of the title of 'The Lone Wolf of the Empire'."
Pingsi: "The lone wolf of the empire? The girl of the empire is the right one!"