Featured in The New York Times & BBC

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 OpenHard–––––––––Med fast––MedMed fastMed fast
Indian WellsHard––––––––COVIDMed slowMed slowMed slowMed slowMed slowMed fast
MiamiHard––––––––COVIDMed slowMed slowMed fastMedMed fastMed fast
Monte CarloClay––––––––COVIDSlowSlowSlowSlowSlowSlow
MadridClay––––––––COVIDMedMed fastMed fastMed slowMedMed fast
RomeClay–––––––––SlowSlowSlowSlowSlowSlow
◆Roland GarrosClay–––––––––SlowSlowSlowSlowSlow–
◆WimbledonGrass–––––Fast––COVIDMed fastMedMed fastMed fastMed fastFast
Canadian OpenCanadaHard––––––––COVIDFastMedMed fastMedFastMed
CincinnatiHard–––––––––FastMed fastMed fastFastFastFast
◆US OpenHard––––––––––MedMed fastMed fastMed fastMed fast
ShanghaiHard––––––––COVIDCOVIDCOVIDMedMedMed fast–
ParisHard · indoor–––––––––MedMed fastMed fastFastMed fast–
ATP FinalsHard · indoor–––––––––FastFastFastMed 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