You have made all the preparations and there is no turning back. You have had the time you needed and you have put in the effort. So calm down and understand that you and your opponent have an equal chance of winning as it is the performance on the day that determines the winner and reputations in the ring count for nothing if you do not perform. Praying will also help you in calming down.
Maintain a positive frame of mind and do not worry about the negatives that you may have, instead discount them altogether and feel good about yourself. Give yourself a bit of positive talk and boost your own confidence. This is important as the brain can convince itself and the body to move in unison and perform at an optimum level. Such coordination is crucial for success in wrestling.
Have a Mentor
Your coach can be an excellent mentor who can give you confidence to perform and win. This kind of positive reinforcement is very much needed by all professional athletes as there is always some fear of the pending competition and your mentor can help you get rid of it.
Visualise a Victory
See yourself raising arms after your victory. This will make you happy and provide you with a much needed mental boost. It will be a tonic for easing your nerves and will play to your advantage.
Listen to Music
Everyone has some favourite music, listen to yours before you go for a fight. It will make you feel good. When you are going to leave, build some anticipation with some fast music that will get the adrenaline rushing and you will be looking forward to knocking down your opponent.