Best of 3, 5 and 7 Explained: How Many Wins You Need
"Best of 5" sounds as if you have to play five games, but most best-of series end sooner. The phrase actually means the first player or team to win a majority of the possible games takes the series, and play stops as soon as that happens.
This guide explains how many wins each format needs, the possible final scores, how draws are usually handled, and why longer series are more likely to be won by the stronger side. It ends with how to keep score of a series in Win/Lose Counter.
What "best of" means
In a best-of-N series, N is the maximum number of games that could be played. To win, you need more than half of them. Because N is usually odd, that is (N + 1) / 2 wins. Once someone reaches that number, the other side cannot catch up, so the remaining games are not played.
- Best of 3: first to 2 wins. Shortest series 2 games, longest 3.
- Best of 5: first to 3 wins. Shortest 3 games, longest 5.
- Best of 7: first to 4 wins. Shortest 4 games, longest 7.
This is why some people prefer to say "first to 3" instead of "best of 5". It means the same thing and nobody expects five games.
Possible final scores
The winner always finishes on the target number of wins; only the loser's score varies:
- Best of 3: 2-0 or 2-1.
- Best of 5: 3-0, 3-1 or 3-2.
- Best of 7: 4-0, 4-1, 4-2 or 4-3.
A score such as 3-3 in a best of 5 is impossible, because the series would already have ended at 3 wins. If you see one, someone has miscounted, which is exactly why it helps to keep a running tally.
What happens with draws
"Best of" counts wins, so draws need a rule agreed in advance. Common options are:
- Replay the game, so a draw does not count towards the series at all.
- Count a draw as half a point each, and play to a points target instead, as in many chess matches.
- Allow a fixed number of games and accept a tied series, then use a tie-break game.
Official competitions publish their own rules; for friendly games, just agree before the first game. Keeping draws on a separate count makes it easy to see how many have happened, whichever rule you use.
Why longer series favour the stronger player
A single game has a lot of luck in it. Playing more games gives skill more chances to show. Suppose one player wins any single game 60% of the time. Working out every way the series can play out gives these chances of winning the whole series:
- Single game: 60%.
- Best of 3: about 64.8%.
- Best of 5: about 68.3%.
- Best of 7: about 71.0%.
With a smaller edge of 55% per game, the series chances are about 57.5% for a best of 3, 59.3% for a best of 5 and 60.8% for a best of 7. Longer series help the stronger side, but upsets remain very possible. These figures assume every game is independent with the same odds, which real games only roughly follow.
Choosing a format
- Best of 1: fastest, but the most luck-dependent. Fine for casual rounds or a big group.
- Best of 3: a good balance for short games, game nights and early tournament rounds.
- Best of 5 or 7: for finals, rivalries and games where you want the result to feel earned.
Agree on the format, the draw rule and what happens next (rematch, swap sides, new opponent) before you start. To see how a longer record of games compares, see how to calculate win rate.
Keeping score of a series in Win/Lose Counter
Win/Lose Counter shows the series score from your point of view in large numbers.
- Before the series, tap reset and confirm so all three counts start at zero.
- After each game, tap WIN, DRAW or LOSS.
- Press and hold an area to subtract one if you tap the wrong result.
- Stop when either WIN or LOSS reaches the target: 2 for best of 3, 3 for best of 5, 4 for best of 7.
- Tap share to send the final score as text, then reset for the next series. Undo appears briefly after a reset.
The counter keeps one tally at a time and does not know the series length, so keep an eye on the target yourself. It is also available for iPhone and Android.
Frequently asked questions
How many wins do you need in a best of 5?
Three. The first side to win 3 games takes the series, so it lasts between 3 and 5 games.
Is best of 3 the same as first to 2?
Yes. Both mean the first to win 2 games wins the series.
Can a best of 7 end 4-4?
No. The series ends as soon as either side reaches 4 wins, so the longest possible score is 4-3.
Do you play all the games in a best-of series?
No. Play stops once someone has won more than half of the possible games.
How do draws work in a best of 3?
There is no single rule. Many groups replay a drawn game; others score a draw as half a point. Agree before you start.