i have serios question about basketball plz help me

[Den999]

hello
iam 15 years old
i play for 4 years now iam really good i mean really good at handles i got a good shot inside the box iam 6 2
when i started playing basketball my first goal was handles and i got it a can do any dribble any trick its really easy for me
but my problem is when i play a game i mean like 4 on 4 i get scared!!!!!!
a lot its like when i get the ball i go in panic i either shoot or pass but at same time i know that i can brake any bodys ankles on this court i just get scared
and the thing is when i play with my friends iam totally fine i think its because i know them i do m best and do lots of tricks
so can somebody give me tips on how to not be scared of the ball!!!!!!!!?????????????