It has been confirmed that there will be 30 games in FIFA Ultimate Team (FUT) in FIFA 19. You will need to get 27 wins to get Elite 1 and the associated rewards.
This is a change from the 40 games that were in FIFA 18. This means that around the world there will be less smashed controllers, consoles and TVs.
How do I Qualify for the Weekend League in FIFA 19?
You have to play Division Rivals and earn FUT Champions Qualification Points.