best save percentage vs one team in a single postseason with at least 4 games played in 1990

Bill Ranford had the best save percentage by a goalie against a team in the 1990 playoffs with 4+ games played, at .949 against the Bruins in the 1990 Stanley Cup Final.

Interpreted as:

best save percentage by a player vs one team in a single postseason with at least 4 games played in 1990

	NAME	SV%	GP	OPP	SEASON	TM	W	L	T	SA	SV	GA	GAA	SHO	MIN
1	Bill Ranford B. Ranford	.949	5	Bruins	1989-90	EDM	4	1	0	156	148	8	1.35	0	355
2	Andy Moog A. Moog	.936	4	Capitals	1989-90	BOS	4	0	0	94	88	6	1.50	1	240
3	Bill Ranford B. Ranford	.927	4	Kings	1989-90	EDM	4	0	0	137	127	10	2.47	1	243
4	Patrick Roy P. Roy	.923	6	Sabres	1989-90	MTL	4	2	0	168	155	13	2.10	1	371
5	Daren Puppa D. Puppa	.921	6	Canadiens	1989-90	BUF	2	4	0	190	175	15	2.43	0	370
6	Andy Moog A. Moog	.919	5	Canadiens	1989-90	BOS	4	1	0	136	125	11	2.17	1	304
7	Andy Moog A. Moog	.919	6	Whalers	1989-90	BOS	4	2	0	135	124	11	1.99	0	332
8	Ed Belfour E. Belfour	.917	5	Blues	1989-90	CHI	3	0	0	96	88	8	2.26	0	213
9	Don Beaupre D. Beaupre	.913	4	Devils	1989-90	WSH	3	1	0	104	95	9	2.47	0	219
10	Curtis Joseph C. Joseph	.908	5	Maple Leafs	1989-90	STL	4	1	0	152	138	14	2.85	0	294
11	Jon Casey J. Casey	.904	7	Blackhawks	1989-90	MNS	3	4	0	219	198	21	3.04	1	415
12	Greg Millen G. Millen	.903	7	North Stars	1989-90	CHI	3	2	0	144	130	14	2.97	0	283
13	Bill Ranford B. Ranford	.899	7	Jets	1989-90	EDM	4	3	0	207	186	21	2.83	0	445
14	Mike Liut M. Liut	.898	4	Rangers	1989-90	WSH	3	1	0	118	106	12	2.95	0	244
15	Vincent Riendeau V. Riendeau	.895	7	Blackhawks	1989-90	STL	3	4	0	219	196	23	3.57	0	386
16	Patrick Roy P. Roy	.894	5	Bruins	1989-90	MTL	1	4	0	123	110	13	2.89	0	270
17	Glenn Healy G. Healy	.886	4	Rangers	1989-90	NYI	1	2	0	79	70	9	3.25	0	166
18	Stephane Beauregard S. Beauregard	.886	4	Oilers	1989-90	WIN	1	3	0	105	93	12	3.02	0	238
19	Allan Bester A. Bester	.883	4	Blues	1989-90	TOR	0	3	0	120	106	14	4.28	0	196
20	Kelly Hrudey K. Hrudey	.883	6	Flames	1989-90	LAK	4	1	0	180	159	21	3.56	0	354
21	Bill Ranford B. Ranford	.883	6	Blackhawks	1989-90	EDM	4	2	0	171	151	20	3.34	0	359
22	Peter Sidorkiewicz P. Sidorkiewicz	.881	7	Bruins	1989-90	HFD	3	4	0	193	170	23	3.21	0	429
23	Bob Essensa B. Essensa	.880	4	Oilers	1989-90	WIN	2	1	0	100	88	12	3.49	0	206
24	John Vanbiesbrouck J. Vanbiesbrouck	.877	4	Capitals	1989-90	NYR	1	2	0	81	71	10	3.83	0	157
25	Chris Terreri C. Terreri	.874	4	Capitals	1989-90	NJD	2	2	0	103	90	13	3.28	0	238