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Analytics module · Date not published.
Tennis Surface Transfer
Descriptive only
confirmednull (a finding)not testabledescriptivepending
Tennis Surface Transfer
How to read this figure
Each player's clay win rate minus hard win rate (and a grass-adaptability index), floored at 25 clay and 25 hard matches, summarized per tour and window.
Continue with the data
Open the interactive analysis: Tennis clay-hard match support balanceOpen the interactive analysis: Tennis grass win rates and match supportOpen the interactive analysis: Surface Evidence SupportOpen the interactive analysis: Surface Specialization SpreadOpen the interactive analysis: Surface Lean BalanceWhat it means
Surface specialization is real and large for a few players but modest for most: across the 184 qualifying ATP-career players the median clay-minus-hard gap is only +0.0149, and 58.15% tilt at all toward clay. The women's combos are empty here, the sample-size floor eliminated every WTA player.
Caveats and confounds
Opponent strength is NOT controlled, so a gap partly reflects scheduling and seeding rather than surface skill alone; retirements count as decided matches; Descriptive only, with no forecast or market comparison.