lowest winning percentage in a regular season which they won the world series

18 teams are tied for the lowest winning percentage with >0 series wins in a World Series, winning 57.1 percent of the time. The first three are the Washington Nationals, the Houston Astros and the Chicago Cubs.

	TEAM	W%	SERIES W	SEASON	SERIES	W	L	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Nationals	.571	1	2019	World Series	4	3	7	241	33	58	8	1	11	32	27	1	61	4	0	272	101	20	3	0	1	5	.241	.320	.419	.739
2	Astros	.571	1	2017	World Series	4	3	7	244	34	56	13	0	15	32	22	2	54	3	0	270	114	28	1	1	6	6	.230	.297	.467	.765
3	Cubs	.571	1	2016	World Series	4	3	7	245	27	61	10	2	8	27	22	3	64	8	1	272	99	20	0	2	3	4	.249	.316	.404	.720
4	Giants	.571	1	2014	World Series	4	3	7	238	30	66	11	1	2	29	23	1	51	1	1	267	85	14	2	3	1	3	.277	.340	.357	.697
5	Cardinals	.571	1	2011	World Series	4	3	7	230	38	56	9	1	8	36	41	4	47	0	3	282	91	18	6	1	9	7	.243	.366	.396	.762
6	Angels	.571	1	2002	World Series	4	3	7	245	41	76	15	1	7	38	23	2	38	6	0	275	114	23	2	3	5	6	.310	.370	.465	.835
7	Diamondbacks	.571	1	2001	World Series	4	3	7	246	37	65	14	0	6	36	17	6	70	2	2	276	97	20	5	2	6	5	.264	.325	.394	.719
8	Marlins	.571	1	1997	World Series	4	3	7	250	37	68	12	1	8	34	36	1	48	4	0	290	106	21	1	2	3	7	.272	.363	.424	.787
9	Twins	.571	1	1991	World Series	4	3	7	241	24	56	8	4	8	24	21	1	48	7	3	267	96	20	2	2	7	6	.232	.294	.398	.693
10	Twins	.571	1	1987	World Series	4	3	7	238	38	64	10	3	7	38	29	3	36	6	1	271	101	20	1	0	3	2	.269	.356	.424	.780
11	Mets	.571	1	1986	World Series	4	3	7	240	32	65	6	0	7	29	21	1	43	7	2	270	92	13	6	2	3	5	.271	.330	.383	.713
12	Royals	.571	1	1985	World Series	4	3	7	236	28	68	12	2	2	26	28	1	56	7	4	268	90	16	3	0	5	8	.288	.366	.381	.747
13	Cardinals	.571	1	1982	World Series	4	3	7	245	39	67	16	3	4	34	20	0	26	7	3	267	101	23	1	1	2	3	.273	.327	.412	.739
14	Pirates	.571	1	1979	World Series	4	3	7	251	32	81	18	1	3	32	16	3	35	0	4	278	110	22	3	5	7	4	.323	.364	.438	.802
15	Reds	.571	1	1975	World Series	4	3	7	244	29	59	9	3	7	29	25	2	30	9	2	275	95	19	2	2	4	2	.242	.315	.389	.704
16	Athletics	.571	1	1973	World Series	4	3	7	241	21	51	12	3	2	20	28	2	62	3	4	274	75	17	2	1	3	2	.212	.298	.311	.609
17	Athletics	.571	1	1972	World Series	4	3	7	220	16	46	4	0	5	16	21	1	37	1	3	248	65	9	6	0	5	2	.209	.281	.295	.576
18	Pirates	.571	1	1971	World Series	4	3	7	238	23	56	9	2	5	21	26	1	47	5	0	269	84	16	4	0	3	1	.235	.313	.353	.666
19	Tigers	.571	1	1968	World Series	4	3	7	231	34	56	4	3	8	33	27	3	59	0	1	264	90	15	2	1	4	7	.242	.328	.390	.718
20	Cardinals	.571	1	1967	World Series	4	3	7	229	25	51	11	2	5	24	17	0	30	7	1	248	81	18	0	2	0	3	.223	.274	.354	.628
21	Dodgers	.571	1	1965	World Series	4	3	7	234	24	64	10	1	5	21	13	3	31	9	6	256	91	16	6	0	2	0	.274	.320	.389	.709
22	Cardinals	.571	1	1964	World Series	4	3	7	240	32	61	8	3	5	29	18	0	39	3	0	264	90	16	4	2	2	5	.254	.304	.375	.679
23	Yankees	.571	1	1962	World Series	4	3	7	221	20	44	6	1	3	17	21	2	39	4	1	246	61	10	1	1	1	6	.199	.273	.276	.549
24	Pirates	.571	1	1960	World Series	4	3	7	234	27	60	11	0	4	26	12	3	26	2	1	252	83	15	3	0	0	9	.256	.301	.355	.656
25	Yankees	.571	1	1958	World Series	4	3	7	233	29	49	5	1	10	29	21	0	42	1	1	258	86	16	2	2	4	3	.210	.273	.369	.643