fewest wins in a month by an mlb team in one season with at least 20 games played

4 teams are tied for the fewest wins with 20+ games played in a month, with 1 win. The first three are the Baltimore Orioles in April 1988, the Cleveland Spiders in September 1899 and the Pittsburgh Alleghenys in August 1890.

	TEAM	W	G	MONTH	L	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	Orioles	1	23	April 1988	22	.043	747	54	152	25	3	12	50	65	7	127	14	7	828	219	40	5	4	1	19	.203	.272	.293	.565
2	Spiders	1	28	September 1899	27	.036		75
3	Alleghenys	1	28	August 1890	27	.036		113
4	Cowboys	1	22	July 1884	20	.048		87
5	Athletics	2	30	July 1916	28	.067	977	70	222	31	11	2		78	5	128	32		1,088	281	44	28				.227	.288	.288	.575
6	Browns	2	21	September 1897	19	.095		103
7	Colonels	2	20	May 1895	18	.100		92
8	Colonels	2	22	July 1891	20	.091		90
9	Colonels	2	26	June 1889	24	.077		103
10	Nationals	2	21	July 1884	19	.095		92
11	White Sox	3	25	July 2024	22	.120	833	74	177	43	2	18	69	52	7	234	20	5	895	278	63	1	2	1	18	.212	.264	.334	.598
12	Reds	3	21	April 2022	18	.143	668	66	136	30	0	14	63	57	10	190	4	4	740	208	44	0	5	0	18	.204	.274	.311	.586
13	Diamondbacks	3	27	June 2021	24	.111	921	103	208	46	2	17	96	85	7	240	4	4	1,021	309	65	5	3	1	10	.226	.295	.336	.631
14	Astros	3	27	July 2012	24	.111	891	85	205	46	4	18	80	85	9	217	23	9	1,011	313	68	15	11	5	19	.230	.300	.351	.651
15	Tigers	3	23	April 2003	20	.130	741	54	136	21	2	11	49	69	7	163	5	8	828	194	34	7	4	1	10	.184	.258	.262	.520
16	Royals	3	20	April 1992	17	.150	661	54	137	39	2	10	49	61	9	99	18	8	745	210	51	8	6	1	18	.207	.281	.318	.599
17	Twins	3	29	May 1982	26	.103	980	89	223	38	6	21	81	73	1	177	7	3	1,065	336	65	1	10	3	20	.228	.279	.343	.622
18	Rangers	3	26	September 1972	23	.115	814	53	149	22	5	5	48	65	2	158	22	11	894	196	32	6	7	1	12	.183	.243	.241	.484
19	Athletics	3	29	August 1943	26	.103	992	88	225	33	8	2	81	66	6	82	17		1,080	280	43	16			21	.227	.279	.282	.561
20	Athletics	3	23	July 1938	20	.130	792	113	205	41	6	15	103	91	4	92	16		896	303	62	9				.259	.338	.383	.721
21	Phillies	3	25	May 1928	22	.120	842	85	197	30	10	10	78	79	2	84	12		941	277	50	18				.234	.301	.329	.630
22	Athletics	3	22	June 1916	19	.136	711	53	168	24	7	0		66	5	95	26		805	206	31	23				.236	.306	.290	.595
23	Browns	3	21	June 1911	18	.143	703	71	168	18	7	2		70	4		11		797	206	27	20				.239	.311	.293	.604
24	Superbas	3	23	June 1905	20	.130	744	63	168	23	8	2		54	8		25		827	213	33	21				.226	.285	.286	.572
25	Spiders	3	25	June 1899	22	.120		96