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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’12’13’14’15’16’17’18’19’20’21’22’23’24’25’263yr
Australian OpenAus OpenHard424350
Indian WellsHard3027.427.932.1COVID3235.436.930.93935.5
MiamiHard31.529.831.233.133.830.436.5COVID40.635.540.74039.2
Monte CarloClay23.724.922.130.3COVID3029.12926.728.7
MadridClay22.520.921.627.9COVID26.62726.130.527.6
RomeClay242218.928.629.328.925.328.0
Roland GarrosClay21
WimbledonGrass37COVID
Canadian OpenCanadaHard35.236.328.842.8COVID42.439.541.237.844.641.2
CincinnatiHard35.133.631.637.44338.633.242.54339.6
US OpenHard35.74342.842.8
ShanghaiHard44.142.94040.9COVIDCOVIDCOVID40.140.832.837.9
ParisHard · indoor32.231.231.829.939.137.534.640.637.137.140.445.535.140.3
ATP FinalsHard · indoor34.133.93434.642.142.140.341.636.739.943.243.839.940.141.3
CPI<30 Slow30–34 Medium-slow35–39 Medium40–44 Medium-fast>44 Fast – no data · COVID cancelled · venue change · ▪ source chart · click any value