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Court Speed

Court Pace Index measurements for the Grand Slams, Masters 1000s and ATP Finals, 2012–2026 — with ace rates, rally lengths and air density. Updated through the season, sourced from official ATP/TennisTV data.

Tournament’12’13’14’15’16’17’18’19’20’21’22’23’24’25’26
Australian OpenAus OpenHardMed fastMedMed fastMed fast
Indian WellsHardCOVIDMed slowMed slowMed slowMed slowMed slowMed fast
MiamiHardCOVIDMed slowMed slowMed fastMedMed fastMed fast
Monte CarloClayCOVIDSlowSlowSlowSlowSlowSlow
MadridClayCOVIDMedMed fastMed fastMed slowMedMed fast
RomeClaySlowSlowSlowSlowSlowSlow
Roland GarrosClaySlowSlowSlowSlowSlow
WimbledonGrassFastCOVIDMed fastMedMed fastMed fastFast
Canadian OpenCanadaHardCOVIDFastMedMed fastMedFast
CincinnatiHardFastMed fastMed fastFastFast
US OpenHardMed fast
ShanghaiHardCOVIDCOVIDCOVIDMedMedMed fast
ParisHard · indoorMedMed fastMed fastFastMed fast
ATP FinalsHard · indoorFastFastFastMed fastFast

Composite of CPI, ace rate, rally length & RAD (min 3 of 4 required), each interpolated 0–100, averaged, with surface adjustments (clay −5, grass +5). Blank cells lack sufficient metrics. venue change