Best-of-seven series: home court, the 2-2-1-1-1 pattern and game five
Playoff formats2 min read
Why top seeds host four games, how the alternating pattern works, and which game in a series statistically settles it.
A best-of-seven series is won by the first team to take four games. The higher seed receives home court advantage, which in practice means hosting four of the possible seven. The standard pattern is 2-2-1-1-1: the higher seed hosts games one and two, the lower seed hosts three and four, then it alternates for five, six and seven.
That ordering is not the only one ever used. A 2-3-2 arrangement, where the lower seed hosts three consecutive games in the middle, has been used in some competitions to reduce travel. It changes the texture of a series considerably, because a team can take a commanding lead without ever leaving home, and it hands the lower seed a genuine chance to settle in.
The practical consequence of 2-2-1-1-1 is that game one is less important than it feels and game three is more important than it looks. A team losing game one on the road has lost nothing it was expected to win. A team losing game three at home after splitting the opening pair has handed back the advantage it spent a whole season earning.
Game five, in a series tied at two, is the hinge. Both teams have now seen every adjustment the other has, the series is a best-of-three, and the higher seed is at home. After it, one side needs one win from two games and the other needs two from two.
Shorter formats behave differently. A best-of-five, used in early rounds of some competitions, compresses everything: a single poor performance is a third of the required losses, and there is far less time for tactical adjustment. Single elimination removes adjustment entirely, which is why knockout tournaments produce more upsets than series do.
Seeding also determines matchups, usually pairing the highest remaining seed against the lowest. Some competitions reseed after each round and some keep a fixed bracket. Fixed brackets can produce a situation where the second and third best teams meet before the final, which is the main argument for reseeding and the main reason brackets stay fixed anyway: people like knowing the path in advance.
Play-in rounds have been added to several competition structures at the boundary between qualification and elimination, giving teams just outside the cut one or two games to claim the final places. They are short, sharp, and the only part of the postseason where a regular season record stops protecting you.