Play 66 · Track 07 · Know the game · 6 min
Call the score before the umpire.
Know which point matters.
Love, fifteen, thirty, forty, deuce — where tennis's odd numbers came from, and why the scoring system makes some points worth far more than others.
01
Operate the ladder: love, 15, 30, 40, deuce, advantage, game, set, match
02
Why 40–40 isn't game point and 30–40 is worth more than 40–0
03
The honest state of the 15/30/40 origin story
04
A watching task: call the score first, twenty points in a row
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The reference chapter behind it is mapped and researched. It ships as a play with a drill and a number to beat. Get an email when it does.