Rick St. Croix has the highest goals-against average in a playoff game, with a 225.00 average versus the Minnesota North Stars on April 6, 1983.

the highest gaa by a player in a playoff game

	NAME	GAA	DATE	TM		OPP	DEC	SA	SV	SV%	GA	SHO	MIN
1	Rick St. Croix R. St. Croix	225.00	4/6/1983	TOR	@	MNS		1	0	.000	1	0	0
2	Gerry Desjardins G. Desjardins	64.29	4/27/1975	BUF	vs	MTL		3	2	.667	1	0	1
3	Mike Liut M. Liut	59.67	4/18/1982	STL	@	CHI		3	0	.000	3	0	3
4	Miikka Kiprusoff M. Kiprusoff	50.70	4/13/2008	CGY	vs	SJS		5	2	.400	3	0	4
5	Ed Belfour E. Belfour	48.00	4/28/1990	CHI	@	STL		2	0	.000	2	0	3
6	Ed Belfour E. Belfour	37.11	4/22/1992	CHI	@	STL		3	2	.667	1	0	2
7	Bob Sauve B. Sauve	37.11	4/20/1983	BUF	@	BOS	L	2	0	.000	2	0	3
8	Arturs Irbe A. Irbe	33.10	5/11/1995	SJS	vs	CGY	L	5	1	.200	4	0	7
9	Mike Smith M. Smith	29.59	5/18/2022	EDM	@	CGY		10	7	.700	3	0	6
10	Jose Theodore J. Theodore	28.72	4/17/2012	FLA	@	NJD		6	3	.500	3	0	6
11	Martin Jones M. Jones	27.07	4/12/2019	SJS	vs	VGK		7	4	.571	3	0	7
12	Rick Wamsley R. Wamsley	25.53	4/10/1991	CGY	@	EDM		2	1	.500	1	0	2
13	Mike Richter M. Richter	25.35	4/13/1991	NYR	@	WSH	L	4	1	.250	3	0	7
14	Jake Oettinger J. Oettinger	25.12	5/23/2023	DAL	vs	VGK	L	5	2	.400	3	0	7
15	Dan Cloutier D. Cloutier	23.92	4/27/2002	VAN	vs	DET		3	1	.333	2	0	5
16	Peter Budaj P. Budaj	23.68	5/7/2013	MTL	@	OTT	L	2	1	.500	1	0	3
17	Jocelyn Thibault J. Thibault	23.30	4/28/1996	MTL	vs	NYR	L	9	5	.556	4	0	10
18	Bob Froese B. Froese	23.02	4/6/1989	NYR	@	PIT	L	13	8	.615	5	0	13
19	Wade Flaherty W. Flaherty	22.22	5/15/1995	SJS	@	CGY		1	0	.000	1	0	3
20	Vincent Riendeau V. Riendeau	22.22	4/22/1991	STL	@	MNS	L	8	4	.500	4	0	11
21	John Gibson J. Gibson	21.39	5/7/2017	ANA	@	EDM	L	6	3	.500	3	0	8
22	Roberto Luongo R. Luongo	20.97	6/13/2011	VAN	@	BOS	L	8	5	.625	3	0	9
23	Antti Niemi A. Niemi	20.69	4/23/2011	SJS	vs	LAK	L	4	1	.250	3	0	9
24	Don Beaupre D. Beaupre	20.15	5/9/1994	WSH	@	NYR		11	8	.727	3	0	9
25	Devan Dubnyk D. Dubnyk	20.03	4/20/2018	MIN	@	WPG	L	10	6	.600	4	0	12