A tennis league ranks players on matches won, and then on what happened inside those matches. A match is usually best of three sets; a set goes to six games with a two-game margin, and a tiebreak decides it at 6–6. Many leagues replace a full third set with a match tiebreak (first to 10, win by 2) to keep court bookings on time.
Below match wins come sets won and lost and then games won and lost. Percentages (sets won ÷ sets played) are fairer than raw totals when players have played different numbers of matches, which in a flex league they almost always have.
Doubles leagues keep the same table for each pair. Team tennis — clubs playing several singles and doubles lines against each other — keeps a team table of lines won, with match wins on top.