Confidence about making the team?

Ive always had issues with confidence about making teams but here is the story: In our school the sports basketball, soccer, track, etc. are separated into cl periods, well in middle school they were just after school things and you just took the athletics cl. Well I did soccer both 7th and 8th grade, so i decided to take the cl in 9th grade. Well tryouts are the last week of Nov. and I am deathly nervous, just because I have been working hard for about 2 months (Sept. and Oct.) So I really want to make that JV team (I'm a Freshman and there is a Varsity and JV team) I just don't know if I have a better chance at making the team than the girls who weren't in the cl but who just decided to try out. I am just really nervous and need a confidence booster, maybe I am just nervous about nothing idk help please? thank you guys much love <3