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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 OpenHard–––––42––4350––––––
Indian WellsHard––––3027.427.932.1COVID32–35.436.930.939.335.6
MiamiHard–31.529.831.233.133.830.436.5COVID––40.635.540.739.239.0
Monte CarloClay––––23.724.922.130.3COVID––3029.12927.128.8
MadridClay––––22.520.921.627.9COVID––26.62726.129.827.4
RomeClay––––242218.9––––28.629.328.925.428.1
◆Roland GarrosClay–––––21––––––––––
◆WimbledonGrass–––––37––COVID–––––––
Canadian OpenCanadaHard––––35.236.328.842.8COVID42.439.541.237.844.635.439.8
CincinnatiHard––––35.133.631.637.4–4338.633.242.5433939.4
◆US OpenHard–––––35.7––43–––42.8––42.8
ShanghaiHard––––44.142.94040.9COVIDCOVIDCOVID40.140.832.8–37.9
ParisHard · indoor32.231.231.829.939.137.534.640.6–37.137.140.445.535.1–40.3
ATP FinalsHard · indoor34.133.93434.642.142.140.341.636.739.943.243.839.940.1–41.3
CPI<30 Slow30–34 Medium-slow35–39 Medium40–44 Medium-fast>44 Fast – no data · COVID cancelled · venue change · ▪ source chart · click any value