The raw data behind the story "Why Some Tennis Matches Take Forever" https://fivethirtyeight.com/features/why-some-tennis-matches-take-forever/.
A data frame with 120 rows representing serves and 7 variables:
Name of player serving at 2015 French Open
Time in seconds between end of marked point and next serve, timed by stopwatch app
Opponent, receiving serve
Score in the current game during the timed interval between points
Set number, out of five
Score in games within the set