Les Binkley had the best save percentage by a goalie against a team in the 1970 playoffs with 3+ games played, at .947 against the Oakland Seals in the 1970 playoff series.

best save percentage by a player vs one team in a single postseason with at least 3 games played in 1970

	NAME	SV%	GP	OPP	SEASON	TM	W	L	SA	SV	GA	GAA	SHO	MIN
1	Les Binkley L. Binkley	.947	4	Seals	1969-70	PIT	4	0	113	107	6	1.45	0	248
2	Jacques Plante J. Plante	.944	3	Penguins	1969-70	STL	2	1	72	68	4	1.34	1	179
3	Tony Esposito T. Esposito	.944	4	Red Wings	1969-70	CHI	4	0	143	135	8	2.00	0	240
4	Cesare Maniago C. Maniago	.941	3	Blues	1969-70	MNS	1	2	101	95	6	2.00	1	180
5	Gerry Cheevers G. Cheevers	.932	5	Rangers	1969-70	BOS	4	1	177	165	12	2.41	0	299
6	Gerry Cheevers G. Cheevers	.930	4	Blues	1969-70	BOS	4	0	100	93	7	1.75	0	241
7	Roy Edwards R. Edwards	.909	4	Black Hawks	1969-70	DET	0	3	121	110	11	3.23	0	204
8	Gerry Cheevers G. Cheevers	.908	4	Black Hawks	1969-70	BOS	4	0	109	99	10	2.50	0	240
9	Gary Smith G. Smith	.902	4	Penguins	1969-70	OAK	0	4	133	120	13	3.15	0	247
10	Glenn Hall G. Hall	.900	3	North Stars	1969-70	STL	2	1	90	81	9	3.00	0	180
11	Les Binkley L. Binkley	.894	3	Blues	1969-70	PIT	1	2	85	76	9	3.00	0	180
12	Al Smith A. Smith	.888	3	Blues	1969-70	PIT	1	2	89	79	10	3.35	0	179
13	Gump Worsley G. Worsley	.880	3	Blues	1969-70	MNS	1	2	117	103	14	4.67	0	180
14	Terry Sawchuk T. Sawchuk	.872	3	Bruins	1969-70	NYR	0	1	47	41	6	4.51	0	80
15	Tony Esposito T. Esposito	.872	4	Bruins	1969-70	CHI	0	4	148	129	19	4.78	0	238
16	Ed Giacomin E. Giacomin	.858	5	Bruins	1969-70	NYR	2	3	134	115	19	4.15	0	275