The First To… is a match type in FIFA 20 Kick Off mode, where you can set when your match to end, whether its first to score (golden goal) or first to 5 goals. The match will still play to the clock and go through full time, extra time and penalties if desired.
To play this match type, you need to choose the number of goals needed to win the match. First team to score the goals required wins the game. The number of goals can be set from 1 to 5.