The Houston Astros have a 34-44 record against the NL in the postseason all-time.

	TEAM	DATE	REC	TM		OPP	RESULT	W%	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Astros	10/7/1980	0-1	HOU	@	PHI	L 1-3	.000	32	1	7	0	0	0	1	4	0	4	0	0	37	7	0	1	0	0	1	.219	.306	.219	.524
2	Astros	10/8/1980	1-0	HOU	@	PHI	W 7-4	1.000	36	7	8	2	1	0	7	7	0	5	0	0	45	12	3	2	0	2	1	.222	.349	.333	.682
3	Astros	10/10/1980	1-0	HOU	vs	PHI	W 1-0	1.000	31	1	6	1	2	0	1	8	0	3	0	1	42	11	3	2	1	5	2	.194	.350	.355	.705
4	Astros	10/11/1980	0-1	HOU	vs	PHI	L 3-5	.000	30	3	5	2	1	0	3	9	0	4	3	0	41	9	3	1	1	1	0	.167	.350	.300	.650
5	Astros	10/12/1980	0-1	HOU	vs	PHI	L 7-8	.000	43	7	14	2	1	0	6	3	0	3	1	0	47	18	3	1	0	1	0	.326	.370	.419	.788
6	Astros	10/6/1981	1-0	HOU	vs	LAD	W 3-1	1.000	33	3	8	1	0	1	3	2	0	7	2	0	35	12	2	0	0	1	0	.242	.286	.364	.649
7	Astros	10/7/1981	1-0	HOU	vs	LAD	W 1-0	1.000	39	1	9	0	0	0	1	3	0	4	1	1	43	9	0	1	0	2	0	.231	.286	.231	.516
8	Astros	10/9/1981	0-1	HOU	@	LAD	L 1-6	.000	28	1	3	1	0	1	1	4	0	5	0	0	32	7	2	0	0	0	2	.107	.219	.250	.469
9	Astros	10/10/1981	0-1	HOU	@	LAD	L 1-2	.000	29	1	4	1	0	0	1	1	0	4	0	1	31	5	1	1	0	0	0	.138	.167	.172	.339
10	Astros	10/11/1981	0-1	HOU	@	LAD	L 0-4	.000	33	0	5	0	0	0	0	3	0	4	1	1	36	5	0	0	0	0	0	.152	.222	.152	.374
11	Astros	10/8/1986	1-0	HOU	vs	NYM	W 1-0	1.000	30	1	7	1	0	1	1	3	0	6	2	0	33	11	2	0	0	0	1	.233	.303	.367	.670
12	Astros	10/9/1986	0-1	HOU	vs	NYM	L 1-5	.000	35	1	10	1	0	0	1	2	0	5	0	0	37	11	1	0	0	0	1	.286	.324	.314	.639
13	Astros	10/11/1986	0-1	HOU	@	NYM	L 5-6	.000	32	5	8	0	0	1	5	5	1	8	3	1	39	11	1	1	0	0	1	.250	.368	.344	.712
14	Astros	10/12/1986	1-0	HOU	@	NYM	W 3-1	1.000	31	3	4	1	0	2	3	2	0	6	0	0	33	11	3	0	0	0	0	.129	.182	.355	.537
15	Astros	10/14/1986	0-1	HOU	@	NYM	L 1-2	.000	41	1	9	1	0	0	1	2	0	6	2	1	44	10	1	1	0	0	1	.220	.256	.244	.500
16	Astros	10/15/1986	0-1	HOU	vs	NYM	L 6-7	.000	56	6	11	2	0	1	6	3	0	9	1	2	59	16	3	0	0	0	0	.196	.237	.286	.523
17	Astros	9/30/1997	0-1	HOU	@	ATL	L 1-2	.000	32	1	7	0	0	0	1	1	0	6	2	0	33	7	0	0	0	0	1	.219	.242	.219	.461
18	Astros	10/1/1997	0-1	HOU	@	ATL	L 3-13	.000	33	3	6	1	0	0	3	6	0	7	0	0	39	7	1	0	0	0	0	.182	.308	.212	.520
19	Astros	10/3/1997	0-1	HOU	vs	ATL	L 1-4	.000	31	1	3	0	0	1	1	1	0	11	0	0	32	6	1	0	0	0	1	.097	.125	.194	.319
20	Astros	9/29/1998	0-1	HOU	vs	SDP	L 1-2	.000	30	1	4	1	0	0	0	2	1	17	0	0	33	5	1	0	0	0	1	.133	.212	.167	.379
21	Astros	10/1/1998	1-0	HOU	vs	SDP	W 5-4	1.000	33	5	11	3	0	1	5	2	1	9	1	0	38	17	4	2	0	1	1	.333	.389	.515	.904
22	Astros	10/3/1998	0-1	HOU	@	SDP	L 1-2	.000	28	1	4	0	0	0	1	5	2	10	0	0	35	4	0	0	0	0	2	.143	.314	.143	.457
23	Astros	10/4/1998	0-1	HOU	@	SDP	L 1-6	.000	30	1	3	1	0	0	1	2	1	13	0	0	33	4	1	0	0	1	1	.100	.182	.133	.315
24	Astros	10/5/1999	1-0	HOU	@	ATL	W 6-1	1.000	34	6	13	0	0	2	6	6	0	7	1	1	42	19	2	1	1	3	2	.382	.463	.559	1.022
25	Astros	10/6/1999	0-1	HOU	@	ATL	L 1-5	.000	29	1	1	0	0	1	1	0	0	8	0	0	29	4	1	0	0	0	0	.034	.034	.138	.172
	Total		34-44					.436	2,673	296	630	109	8	84	285	268	27	557	51	20	3,020	1,007	201	34	18	44	63	.236	.310	.377	.687