The Baltimore Orioles have a record of 40-52 in the month of April against the Oakland Athletics 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	Browns	4/28/1936	0-1	SLA	@	PHA	L 2-4	.000	32	2	6	1	0	1	2	4	0	2	0	1	36	10	2	0				.188	.278	.313	.590
2	Browns	4/29/1936	0-1	SLA	@	PHA	L 4-7	.000	32	4	7	2	0	2	4	3	0	2	0	0	35	15	4	0				.219	.286	.469	.754
3	Browns	4/30/1936	0-1	SLA	@	PHA	L 8-12	.000	37	8	11	3	0	0	7	5	0	5	0	0	43	14	3	1				.297	.381	.378	.759
4	Browns	4/30/1946	0-1	SLA	@	PHA	L 8-12	.000	36	8	11	2	2	0	8	3	0	5	0	0	39	17	4	0			2	.306	.359	.472	.831
5	Orioles	4/30/1954	0-1	BAL	@	PHA	L 1-5	.000	30	1	3	1	0	0	1	2	0	1	0	0	32	4	1	0	0	0	0	.100	.156	.133	.290
6	Orioles	4/30/1959	0-1	BAL	@	KCA	L 3-4	.000	34	3	8	2	0	0	3	3	0	1	0	1	37	10	2	0	0	0	0	.235	.297	.294	.591
7	Orioles	4/27/1962	0-1	BAL	@	KCA	L 5-14	.000	33	5	6	1	0	1	5	2	0	10	0	0	35	10	2	0	0	0	0	.182	.229	.303	.532
8	Orioles	4/28/1962	1-0	BAL	@	KCA	W 3-2	1.000	31	3	5	3	1	0	2	5	0	7	0	0	37	10	4	1	0	1	1	.161	.278	.323	.600
9	Orioles	4/29/1962	1-0	BAL	@	KCA	W 8-3	1.000	34	8	10	1	0	4	8	7	2	7	0	1	44	23	5	1	0	0	1	.294	.442	.676	1.118
10	Orioles	4/24/1963	0-1	BAL	vs	KCA	L 0-5	.000	33	0	10	1	0	0	0	3	0	7	1	0	37	11	1	1	0	0	1	.303	.361	.333	.694
11	Orioles	4/25/1963	1-0	BAL	vs	KCA	W 3-2	1.000	38	3	10	1	0	2	3	1	1	8	0	0	40	17	3	0	0	0	0	.263	.300	.447	.747
12	Orioles	4/14/1967	1-0	BAL	@	KCA	W 7-1	1.000	34	7	7	1	2	1	7	3	0	6	0	1	37	15	4	0	0	0	0	.206	.270	.441	.711
13	Orioles	4/15/1967	0-1	BAL	@	KCA	L 3-11	.000	35	3	10	3	1	0	3	1	0	3	0	0	37	15	4	1	0	0	1	.286	.306	.429	.734
14	Orioles	4/21/1967	0-1	BAL	vs	KCA	L 1-3	.000	31	1	4	1	0	0	1	5	0	8	0	0	36	5	1	0	0	1	0	.129	.250	.161	.411
15	Orioles	4/22/1967	1-0	BAL	vs	KCA	W 12-2	1.000	35	12	12	4	0	4	12	9	0	7	1	0	44	28	8	0	0	4	0	.343	.477	.800	1.277
16	Orioles	4/23/1967	1-0	BAL	vs	KCA	W 5-2	1.000	32	5	11	2	0	2	5	8	0	4	0	1	40	19	4	0	0	0	1	.344	.475	.594	1.069
17	Orioles	4/23/1967	0-1	BAL	vs	KCA	L 7-8	.000	35	7	12	4	1	2	7	8	0	9	0	1	44	24	7	1	0	2	1	.343	.465	.686	1.151
18	Orioles	4/10/1968	1-0	BAL	vs	OAK	W 3-1	1.000	30	3	8	2	0	1	3	1	0	4	0	0	32	13	3	0	1	0	1	.267	.281	.433	.715
19	Orioles	4/17/1968	1-0	BAL	@	OAK	W 4-1	1.000	33	4	7	1	0	3	4	3	0	7	0	0	36	17	4	0	0	0	1	.212	.278	.515	.793
20	Orioles	4/18/1968	0-1	BAL	@	OAK	L 3-4	.000	50	3	12	2	0	0	3	4	0	9	3	1	56	14	2	2	0	1	1	.240	.296	.280	.576
21	Orioles	4/26/1971	0-1	BAL	@	OAK	L 0-1	.000	31	0	4	0	0	0	0	2	0	9	0	1	33	4	0	0	0	0	0	.129	.182	.129	.311
22	Orioles	4/27/1971	1-0	BAL	@	OAK	W 6-2	1.000	29	6	6	2	0	0	6	9	3	5	0	0	44	8	2	3	0	2	2	.207	.439	.276	.715
23	Orioles	4/28/1971	0-1	BAL	@	OAK	L 4-5	.000	32	4	6	0	1	0	3	2	0	6	0	0	36	8	1	1	1	0	1	.188	.229	.250	.479
24	Orioles	4/29/1971	1-0	BAL	@	OAK	W 3-2	1.000	33	3	5	1	0	2	3	3	1	10	0	0	37	12	3	0	0	0	0	.152	.243	.364	.607
25	Orioles	4/27/1973	0-1	BAL	@	OAK	L 3-4	.000	39	3	9	0	0	2	3	11	1	7	1	1	54	15	2	3	0	4	1	.231	.412	.385	.796
	Total		40-52					.435	3,159	419	765	150	17	95	401	321	23	572	36	24	3,555	1,234	262	26	26	23	56	.242	.314	.391	.705