Your mental attitude has a TREMENDOUS influence over the outcome of the game. It can help you beat players rated much higher than you. However it can be a humongous factor in losses against players rated much lower than you. This can set back your goals in table tennis. So how do you fix it?
Most club players across the US give about 70% effort during club matches while socializing, playing relaxed, and hitting great shots throughout the night. The average club players try much much harder in tournaments and often play a much different style in tournaments.
Sometime, when I see a player at the club hit a very good shot, I will pose the question,
“Could you do that in a tournament?”