Time in seconds between end of marked point and next serve, timed by stopwatch app
day
Date
opponent
Opponent, receiving serve
game_score
Score in the current game during the timed interval between points
set
Set number, out of five
game
Score in games within the set
players_time.csv
Header
Definition
player
Player name
seconds_added_per_point
Weighted average of seconds added per point as loser and winner of matches, 1991-2015, from regression model controlling for tournament, surface, year and other factors
events_time.csv
Header
Definition
tournament
Name of event
surface
Court surface used at the event
seconds_added_per_point
Seconds added per point for this event on this surface in years shown, from regression model controlling for players, year and other factors
years
Start and end years for data used from this tournament in regression