We set post to show the perfect place to strike (5,4)
I believe the answer is:
sweet spot
'show the perfect place to strike' is the definition.
I don't know anything about this answer so I cannot judge whether this works.
'we set post' is the wordplay.
'we set post' can be anagrammed to 'SWEET SPOT'.
However, I am not sure how this is indicated.
'to' acts as a link.
Can you help me to learn more?
(Other definitions for sweet spot that I've seen before include "Best point of racket or bat when hitting the ball" , "Best area of a tennis or squash racket" , "Area on club, racket or bat that makes best contact with the ball" , "Best place to make contact" , "best part of club" .)