The Boston Red Sox had their best record in a season in the month of April in 1918, with a record of 11-2.

Interpreted as:

red sox record in a regular season all-time record in april

	TEAM	REC	SEASON	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Red Sox	11-2	1918	.846	13	11	2	387	53	93	18	2	0	39	52	3	26	19		466	115	20	24				.240	.335	.297	.632
2	Red Sox	10-2	1952	.833	12	10	2	409	66	113	22	3	11	62	57	3	52	6	7	473	174	36	4			14	.276	.369	.425	.794
3	Red Sox	10-2	1920	.833	13	10	2	458	69	125	15	7	4	58	64	3	43	12		547	166	26	22				.273	.366	.362	.728
4	Americans	10-2	1904	.833	12	10	2	382	43	93	15	12	3	40	23	5		6		422	141	30	12				.243	.295	.369	.664
5	Red Sox	4-1	1919	.800	5	4	1	178	32	51	8	4	1	25	14	0	19	6		205	70	13	13				.287	.339	.393	.732
6	Red Sox	11-3	1946	.786	14	11	3	468	78	131	27	6	10	73	80	3	69	6		560	200	43	9			12	.280	.388	.427	.816
7	Red Sox	19-6	2018	.760	25	19	6	892	151	248	64	3	30	143	83	13	197	16	3	1,000	408	97	1	11	5	17	.278	.344	.457	.802
8	Red Sox	3-1	1995	.750	4	3	1	146	38	46	7	1	3	32	29	1	26	3	2	179	64	11	2	1	0	2	.315	.429	.438	.868
9	Red Sox	15-6	2004	.714	21	15	6	755	103	196	42	1	25	98	97	10	155	12	5	868	315	68	1	5	7	14	.260	.349	.417	.767
10	Red Sox	17-7	1994	.708	24	17	7	798	134	213	45	8	31	126	93	10	133	18	13	919	367	84	7	11	9	17	.267	.346	.460	.806
11	Red Sox	14-6	1988	.700	20	14	6	673	96	179	36	3	8	88	87	9	102	9	5	786	245	47	4	13	8	13	.266	.352	.364	.716
12	Red Sox	16-7	2002	.696	23	16	7	808	137	240	43	4	31	132	82	6	114	16	5	905	384	78	1	8	8	19	.297	.363	.475	.838
13	Red Sox	18-8	2013	.692	26	18	8	881	135	239	58	9	26	133	97	8	232	22	8	994	393	93	2	6	5	15	.271	.347	.446	.793
14	Red Sox	18-8	2003	.692	26	18	8	937	155	263	68	4	32	146	101	14	155	17	5	1,069	435	104	6	11	10	29	.281	.356	.464	.820
15	Red Sox	18-8	1998	.692	26	18	8	909	138	261	56	6	36	129	100	12	162	18	9	1,030	437	98	3	6	4	24	.287	.363	.481	.844
16	Red Sox	9-4	1917	.692	13	9	4	422	63	111	18	8	3	53	37	2	38	11		494	154	29	33				.263	.325	.365	.690
17	Red Sox	9-4	1912	.692	13	9	4	440	63	112	26	4	2	56	52	7		11		515	152	32	16				.255	.343	.345	.688
18	Red Sox	11-5	1936	.688	16	11	5	538	104	155	21	11	8	93	86	3	51	6		635	222	40	8				.288	.389	.413	.802
19	Red Sox	16-8	2007	.667	24	16	8	799	125	209	40	5	27	116	111	6	142	12	2	928	340	72	4	8	6	23	.262	.353	.426	.778
20	Red Sox	8-4	1957	.667	12	8	4	418	55	106	21	2	8	54	57	2	46	2	1	486	155	31	5	4	3	11	.254	.343	.371	.714
21	Red Sox	13-7	1982	.650	20	13	7	678	93	187	29	4	11	82	74	6	75	7	5	767	257	44	5	4	7	27	.276	.350	.379	.729
22	Red Sox	13-7	1979	.650	20	13	7	696	102	189	30	7	22	97	83	3	105	15	7	794	299	59	4	8	8	22	.272	.348	.430	.778
23	Red Sox	16-9	2001	.640	25	16	9	889	134	246	55	5	30	130	79	10	178	6	3	990	401	90	5	7	7	16	.277	.340	.451	.791
24	Red Sox	14-8	2009	.636	22	14	8	752	126	207	55	4	26	121	95	15	151	16	8	871	348	85	0	9	10	24	.275	.364	.463	.827
25	Red Sox	7-4	1951	.636	11	7	4	355	61	93	14	3	14	58	58	1	39	1	3	417	155	31	3			16	.262	.367	.437	.804