Why Does Tennis Scoring Seem So Unusual?
If you're new to tennis, the scoring system can feel oddly mysterious. Why is zero called "love"? Why does the score jump from 30 to 40 instead of 45? Why do some matches have tiebreaks and others don't? Once you understand the structure, it all clicks — and watching or playing tennis becomes much more meaningful.
The Basic Scoring Structure
A tennis match is made up of three layers:
- Points — the smallest unit
- Games — made up of points
- Sets — made up of games
- Match — made up of sets
Scoring Points Within a Game
Each game starts at "love-all" (0–0). Points are counted as follows:
| Points Won | Score Called |
|---|---|
| 0 | Love |
| 1 | 15 |
| 2 | 30 |
| 3 | 40 |
| 4 (if ahead by 2) | Game |
The server's score is always called first. So "30-15" means the server has 30, receiver has 15.
Deuce and Advantage
When both players reach 40, the score is called "deuce" (40-40). From deuce, a player must win two consecutive points to win the game. The first point after deuce gives that player the "advantage". If they win the next point, they win the game. If they lose it, the score returns to deuce. This can continue indefinitely.
Winning a Set
A player must win 6 games to win a set — but must be ahead by at least 2 games. So a player can win a set 6-0, 6-1, 6-2, 6-3, or 6-4. If the set reaches 6-6, a tiebreak is usually played.
The Tiebreak
A tiebreak replaces a potential 7th game when a set is tied at 6-6. Points in a tiebreak are counted numerically (1, 2, 3...) rather than 15, 30, 40. The first player to reach 7 points wins the tiebreak — but again, must be ahead by at least 2. The final set tiebreak at some tournaments (like the US Open) goes to 10 points and is sometimes called a "match tiebreak" or "super tiebreak."
Match Formats: Best of 3 vs. Best of 5
- Best of 3 sets: First player to win 2 sets wins the match. Used in women's Grand Slams, most ATP/WTA tour events, and recreational play.
- Best of 5 sets: First player to win 3 sets wins. Used in men's Grand Slam matches. These contests can last many hours.
Why Is Zero Called "Love"?
The most popular theory is that "love" derives from the French word l'oeuf, meaning "egg" — a reference to the egg-shaped zero. While the exact etymology is debated, the term has been part of tennis tradition for centuries.
Common Scoring Terms Glossary
- Ace: A serve the opponent cannot touch, winning the point immediately.
- Break / Break of serve: Winning a game when your opponent is serving.
- Hold: Winning a game on your own serve.
- Bagel: Winning a set 6-0 (the zero looks like a bagel).
- Double fault: Missing both the first and second serve, losing the point.
- Match point: A point that, if won, ends the match in the leading player's favor.
Once you've internalized the scoring system, the drama of tennis becomes far more vivid. Every point at deuce, every break of serve, every set that goes to a tiebreak — it all carries weight that you'll feel much more deeply once you understand what's at stake.