Three 4-3 World Series home team won first six games but lost 7th. Three 4-3 WS home team won all 7 games.

In three 4-3 WS the home team won the first six games but lost the seventh:

Year	Winner	Loser	1	2	3	4	5	6	7
1955	Brooklyn Dodgers	New York Yankees	NYA	NYA	BRO	BRO	BRO	NYA	bro
1956	New York Yankees	Brooklyn Dodgers	BRO	BRO	NYA	NYA	NYA	BRO	nya
1965	Los Angeles Dodgers	Minnesota Twins	MIN	MIN	LAN	LAN	LAN	MIN	lan

In three 4-3 WS the home team won all seven games:

Year	Winner	Loser	1	2	3	4	5	6	7
1987	Minnesota Twins	St. Louis Cardinals	MIN	MIN	SLN	SLN	SLN	MIN	MIN
1991	Minnesota Twins	Atlanta Braves	MIN	MIN	ATL	ATL	ATL	MIN	MIN
2001	Arizona Diamondbacks	New York Yankees	ARI	ARI	NYA	NYA	NYA	ARI	ARI