Tennis Grain And Myths

Tennis momentum is real point-to-point but dies at the game grain; two tiebreak myths are null; altitude and travel effects are confirmed (altitude replicated across two disjoint year slices).

confirmednull (a finding)not testabledescriptivepending

No committed chart for this module — the receipts below are the evidence.

Caveats & confounds

Method. These are our own preregistered tennis tests, surfaced verbatim from the committed forward-claim scoreboard. A CONFIRMED_LOCAL/REPLICATED/NULL_LOCAL verdict is an accuracy/effect finding, not a betting edge.