The New York Islanders are 25-17-0-0 against the Capitals in the playoffs all-time.

	TEAM	DATE	REC	TM		OPP	RESULT	PTS	G	GA	PPG	PPO	OPP PPG	OPP PPO	S	SA
1	Islanders	4/6/1983	1-0-0	NYI	vs	WSH	W 5-2	2	5	2	3	5	1	4	37	29
2	Islanders	4/7/1983	0-1-0	NYI	vs	WSH	L 2-4	0	2	4	0	2	0	5	32	39
3	Islanders	4/9/1983	1-0-0	NYI	@	WSH	W 6-2	2	6	2	0	7	0	11	28	28
4	Islanders	4/10/1983	1-0-0	NYI	@	WSH	W 6-3	2	6	3	0	4	0	4	37	31
5	Islanders	4/12/1984	0-1-0	NYI	vs	WSH	L 2-3	0	2	3	1	3	2	6	18	27
6	Islanders	4/13/1984	1-0-0	NYI	vs	WSH	W 5-4	2	5	4	1	5	4	7	22	35
7	Islanders	4/15/1984	1-0-0	NYI	@	WSH	W 3-1	2	3	1	0	3	0	3	19	33
8	Islanders	4/16/1984	1-0-0	NYI	@	WSH	W 5-2	2	5	2	0	2	0	4	23	24
9	Islanders	4/18/1984	1-0-0	NYI	vs	WSH	W 5-3	2	5	3	2	5	1	7	28	26
10	Islanders	4/10/1985	0-1-0	NYI	@	WSH	L 3-4	0	3	4	1	0	2	0	17	42
11	Islanders	4/11/1985	0-1-0	NYI	@	WSH	L 1-2	0	1	2	0	0	0	0	37	41
12	Islanders	4/13/1985	1-0-0	NYI	vs	WSH	W 2-1	2	2	1	0	0	0	0	15	16
13	Islanders	4/14/1985	1-0-0	NYI	vs	WSH	W 6-4	2	6	4	2	0	2	0	34	33
14	Islanders	4/16/1985	1-0-0	NYI	@	WSH	W 2-1	2	2	1	0	0	0	0	22	40
15	Islanders	4/9/1986	0-1-0	NYI	@	WSH	L 1-3	0	1	3	0	5	0	5	33	36
16	Islanders	4/10/1986	0-1-0	NYI	@	WSH	L 2-5	0	2	5	1	2	0	2	29	34
17	Islanders	4/12/1986	0-1-0	NYI	vs	WSH	L 1-3	0	1	3	0	4	3	6	28	23
18	Islanders	4/8/1987	0-1-0	NYI	@	WSH	L 3-4	0	3	4	1	6	0	5	28	32
19	Islanders	4/9/1987	1-0-0	NYI	@	WSH	W 3-1	2	3	1	1	4	0	5	24	28
20	Islanders	4/11/1987	0-1-0	NYI	vs	WSH	L 0-2	0	0	2	0	4	0	6	26	32
21	Islanders	4/12/1987	0-1-0	NYI	vs	WSH	L 1-4	0	1	4	1	6	0	10	26	37
22	Islanders	4/14/1987	1-0-0	NYI	@	WSH	W 4-2	2	4	2	0	5	1	6	24	42
23	Islanders	4/16/1987	1-0-0	NYI	vs	WSH	W 5-4	2	5	4	1	4	1	8	34	27
24	Islanders	4/18/1987	1-0-0	NYI	@	WSH	W 3-2	2	3	2	0	1	0	2	57	75
25	Islanders	4/18/1993	0-1-0	NYI	@	WSH	L 1-3	0	1	3	0	5	2	5	23	27
	Total		25-17-0-0					50	131	112	19	143	32	163	1,238	1,344