🎾 Tennis Scorekeeper

Just tap "Point A" or "Point B" and this scoreboard applies real tennis scoring rules automatically — 0-15-30-40, deuce, advantage, 6-game sets, and 6-6 tiebreaks. Your match survives a page refresh, and you can undo one point at a time if you tap the wrong button.

Player A

Player B

Match Format

Current Game

0 - 0

Current Set — Games

0 - 0

Completed Sets

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How Tennis Scoring Works (Deuce, Advantage, Tiebreaks Explained)

Game points climb 0 (love), 15, 30, 40, and the game is won by whoever reaches the 4th point while leading by at least 2 points. If both players reach 40, it's "deuce" — the next point won earns "advantage." If the player with advantage wins the following point too, they take the game; if their opponent wins it instead, the score returns to deuce and the cycle can repeat indefinitely. A set is won by taking 6 games with at least a 2-game lead; if the set reaches 6 games apiece, a tiebreak (first to 7 points, win by 2) decides the set instead.

Best-of-3 vs Best-of-5 Sets — and When Tiebreaks Apply

Most professional women's tour matches and the vast majority of amateur play use best-of-3 sets, where winning 2 of 3 sets wins the match, while certain events like Grand Slam men's singles use best-of-5. A tiebreak is triggered any time a set score reaches 6 games all; scoring switches from the 15/30/40 ladder to simple sequential point counting, and the first player to reach 7 points with a 2-point lead wins both the tiebreak and the set (continuing past 7-6, e.g. 9-7, if the margin isn't yet 2). The tiebreak winner's set score is recorded as 7-6.

Frequently asked questions

Why does tennis use 15/30/40 instead of 1/2/3?

The 15-30-40 notation is widely believed to trace back to an old French clock-face scoring tradition, and it simply stuck as the sport's convention worldwide. Functionally it behaves the same as counting 1-2-3-game, just with deuce and advantage rules layered on top once both players reach 40.

What happens at deuce?

Once both players reach 40, the score is "deuce." The next point winner gets "advantage." If that same player wins the following point, they win the game; if their opponent wins it instead, the score resets to deuce and play continues until someone wins two points in a row.

How does a tiebreak work?

A tiebreak starts once a set reaches 6 games apiece. Instead of 15/30/40 notation, points are counted as plain integers (1, 2, 3...), and the first player to reach 7 points with at least a 2-point lead wins the tiebreak and the set (play continues past 7-6 if needed, e.g. 9-7).