To be eligible for a pre-match
you have to apply for the match
wait to be called for interviews
then in the interview if they like you so much, they will then call you and offer you to withdraw from the match and accept their prematch
It's not really about scores and experience....that is what GETS YOU THE INTERVIEW.
But, once you get an interview, keep in mind that you become just like the rest. What I mean is, all the rest invited for the interview will probably have similar scores, experiences and a good personal statement and recos.
So, ultimately its your personality, honesty, demeanor, how you answer questions and of course...how you speak!! You have to set yourself apart...and of course, they would have to see if you would be a good fit and excel in THEIR program.
If you don't get a pre-match offer, don't feel disheartened either. Maybe it wasn't meant for you to be there, or maybe they don't offer pre-matches at all.