There are divisional rankings in FIFA Mobile VS Attack Mode. Gaining fans by winning VS Attack matches will move you up throughout the division tiers. Losing too many matches will eventually demote you to a lower division.
Every week you will earn a reward based on the Division you have achieved. Climbing Divisions increases your Match and Weekly Rewards and gives you better offers in VS Attack Rewards. Here is the full list FIFA Mobile VS Attack Divisions:
|World Class III||420,000|
|World Class II||500,000|
|World Class I||600,000|