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1999 ATP Surface Speed Ratings

My surface-speed metric uses ace rate--adjusted for the servers and returners in each match--to rate each tournament by surface speed. Thus, the number indirectly accounts for everything that influenced play: temperature, humidity, wind, balls, and of course the physical surface.

Ratings greater than 1 are faster than average. For example, a rating of 1.25 indicates that the players hit 25% more aces than they would have on a tour-average surface.

Click here for the most recent ratings, or

DateTournamentSurfaceAce%Surface Speed
15-Feb-1999MemphisHard14.8%1.51
08-Nov-1999MoscowCarpet14.1%1.50
27-Sep-1999ToulouseHard14.3%1.50
15-Feb-1999RotterdamCarpet14.6%1.40
07-Jun-1999HalleGrass12.7%1.36
04-Jan-1999AdelaideHard11.2%1.35
08-Feb-1999St. PetersburgCarpet13.6%1.33
04-Oct-1999BaselCarpet13.4%1.33
09-Aug-1999Cincinnati MastersHard12.2%1.32
22-Feb-1999LondonCarpet15.4%1.31
14-Jun-1999s HertogenboschGrass11.0%1.29
01-Nov-1999Paris MastersCarpet11.1%1.27
25-Oct-1999Stuttgart MastersHard12.7%1.21
11-Oct-1999ViennaHard12.9%1.21
14-Jun-1999NottinghamGrass10.7%1.19
08-Nov-1999StockholmHard11.7%1.16
02-Aug-1999Canada MastersHard11.2%1.15
23-Aug-1999BostonHard9.0%1.14
23-Aug-1999Long IslandHard11.6%1.14
11-Jan-1999AucklandHard8.1%1.12
26-Jul-1999Los AngelesHard12.2%1.12
30-Aug-1999US OpenHard10.2%1.10
18-Oct-1999LyonCarpet10.1%1.09
01-Feb-1999MarseilleHard9.2%1.09
01-Mar-1999ScottsdaleHard10.0%1.07
07-Jun-1999MeranoClay6.7%1.04
13-Sep-1999TashkentHard7.2%1.04
16-Aug-1999WashingtonHard9.7%1.03
08-Feb-1999San JoseHard9.4%1.03
08-Mar-1999Indian Wells MastersHard10.5%1.02
16-Aug-1999IndianapolisHard8.7%1.02
11-Oct-1999SingaporeHard8.4%1.02
07-Jun-1999Queen's ClubGrass10.2%1.01
21-Jun-1999WimbledonGrass9.2%1.00
05-Apr-1999Hong KongHard9.1%0.99
12-Apr-1999TokyoHard9.2%0.97
11-Jan-1999SydneyHard9.8%0.97
13-Sep-1999MallorcaClay6.2%0.96
01-Mar-1999CopenhagenCarpet7.9%0.96
19-Jul-1999Stuttgart OutdoorClay7.1%0.96
18-Jan-1999Australian OpenHard8.0%0.94
15-Mar-1999Miami MastersHard9.1%0.94
04-Jan-1999DohaHard7.3%0.94
08-Feb-1999DubaiHard8.5%0.94
22-Nov-1999Tour FinalsHard13.9%0.93
26-Apr-1999MunichClay6.8%0.92
03-May-1999Delray BeachClay5.6%0.92
19-Apr-1999OrlandoClay6.2%0.91
02-Aug-1999AmsterdamClay6.1%0.87
05-Jul-1999GstaadClay7.0%0.86
26-Apr-1999PragueClay5.9%0.85
26-Apr-1999AtlantaClay5.5%0.84
24-May-1999Roland GarrosClay6.8%0.82
26-Jul-1999KitzbuhelClay5.6%0.82
12-Apr-1999BarcelonaClay5.5%0.82
04-Oct-1999ShanghaiHard6.0%0.80
05-Apr-1999ChennaiHard5.1%0.79
10-May-1999Rome MastersClay7.1%0.79
05-Jul-1999NewportGrass9.2%0.78
17-May-1999St. PoeltenClay5.2%0.77
09-Aug-1999San MarinoClay5.2%0.77
26-Jul-1999UmagClay5.3%0.73
05-Jul-1999BastadClay5.1%0.73
05-Apr-1999EstorilClay5.6%0.70
19-Apr-1999Monte Carlo MastersClay6.0%0.69
27-Sep-1999BucharestClay4.7%0.69
22-Mar-1999CasablancaClay3.8%0.68
04-Oct-1999PalermoClay3.9%0.64
03-May-1999Hamburg MastersClay5.0%0.63
16-May-1999DusseldorfClay7.0%0.62
13-Sep-1999BournemouthClay5.9%0.61