The raw data behind the story "Why Some Tennis Matches Take Forever" https://fivethirtyeight.com/features/why-some-tennis-matches-take-forever/.
tennis_players_time
A data frame with 218 rows representing players and 2 variables:
Player Name
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
See https://github.com/fivethirtyeight/data/tree/master/tennis-time