To challenge a member of your through a friendly match in the form of a tournament match:

• Click on SOCIAL, then on FA,
• On the FA main interface, press LAUNCH A CHALLENGE，
• And wait for a member of your FA to accept the challenge.

Once the challenge is accepted, the two teams will compete on the rules of the Tour mode. If the challenge is initiated by a member of your FA, you can accept it and take it up in a match in Tour Mode.  So, check frequently and take up the challenges launched by FA member.