To unlock the Show of Skill trophy in FIFIA 19, you need to score a goal with a flair shot in a women's match.
To score a goal with a flair shot, you will need to press
and
with a player that has four or five-star skill moves.
From Kick Off mode, change your team to Women's and choose the USA. Adjust the gameplay sliders so that you make CPU players especially slow, run down the wing with one of your players, pass into the middle of the box and try to score a goal using the button combination above with either Rapinoe, Morgan or Heath.