Don't You All Know How to Play Table Tennis?

Is this a time travel story or a system story? ! National player Xu Congxin has superb skills, but his interest in playing basketball dictates. He didn't have a competitive spirit when playing the game. He failed to play well even after winning three majors in his ten-year career. He only focused on self-absorption and missed match points. He was ridiculed by the coaching staff for being afraid of heights on the podium in the live highlights... "If you keep doing this, don't play anymore!" Said the table tennis god. Wait, table tennis god? ! How did I travel through time? ! Where is this going? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.