Tennis rules govern play, scoring, and court conduct in singles and doubles matches, with research breakdowns explaining scoring systems and match formats.
There's a tidy belief that floats around club courts and group chats: a tiebreak is a tiebreak, first to seven points, win by two, no matter where you play it.
Here is a claim that runs against most first-day advice: for a new recreational player, almost nothing you buy can break the tennis rules.
The left side of a tennis court is called the "ad court," but the name has almost nothing to do with the side itself.