YOU SAID:
I really like to play soccer on opposite day
INTO JAPANESE
私は反対の日にサッカーをするのが本当に好きです
BACK INTO ENGLISH
I really like playing soccer on the opposite day
INTO JAPANESE
反対日にサッカーをするのが本当に好きです
BACK INTO ENGLISH
I really like playing soccer on the opposite day
That didn't even make that much sense in English.