No universal best formation verifiedThe official page confirms formations and tactics, but it does not publish a permanent formation ranking for the alpha.
Use a like-for-like formation test
01Squad fitRecord which players are in their natural or currently assigned roles.
02Defensive coverTrack the goals and dangerous chances conceded over comparable matches.
03Chance creationNote shots, possession or the match indicators the alpha actually exposes.
04RepeatabilityRun the same setup more than once before calling it the best formation.
Start with the formations visible in your current club screen. The alpha can rebalance positions, players or match simulation, so label every result with the check date and squad state.