The Arizona Diamondbacks have an 18-12 record in the month of May against the Reds 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	Diamondbacks	5/3/1999	0-1	ARI	@	CIN	L 3-4	.000	31	3	8	0	1	1	3	4	0	2	2	1	36	13	2	0	1	0	1	.258	.333	.419	.753
2	Diamondbacks	5/4/1999	0-1	ARI	@	CIN	L 4-6	.000	33	4	9	2	0	1	4	6	0	5	1	0	39	14	3	0	0	0	1	.273	.385	.424	.809
3	Diamondbacks	5/5/1999	1-0	ARI	@	CIN	W 5-1	1.000	33	5	8	4	0	1	5	2	0	5	1	0	36	15	5	0	1	0	0	.242	.278	.455	.732
4	Diamondbacks	5/7/2001	0-1	ARI	vs	CIN	L 4-5	.000	38	4	10	2	0	1	3	6	0	3	0	0	45	15	3	0	1	1	0	.263	.356	.395	.750
5	Diamondbacks	5/8/2001	1-0	ARI	vs	CIN	W 4-3	1.000	41	4	10	2	0	0	4	4	0	6	0	0	45	12	2	0	0	2	0	.244	.311	.293	.604
6	Diamondbacks	5/9/2001	1-0	ARI	vs	CIN	W 5-2	1.000	34	5	11	3	0	2	5	2	0	6	0	0	36	20	5	0	0	0	0	.324	.361	.588	.949
7	Diamondbacks	5/15/2001	1-0	ARI	@	CIN	W 5-1	1.000	40	5	13	4	0	2	5	3	0	10	3	0	43	23	6	0	0	0	0	.325	.372	.575	.947
8	Diamondbacks	5/16/2001	1-0	ARI	@	CIN	W 2-1	1.000	34	2	7	0	0	2	2	1	0	4	0	0	35	13	2	0	0	0	1	.206	.229	.382	.611
9	Diamondbacks	5/17/2001	1-0	ARI	@	CIN	W 7-2	1.000	35	7	9	1	0	2	7	6	2	11	1	0	44	16	3	0	1	1	0	.257	.386	.457	.844
10	Diamondbacks	5/5/2006	1-0	ARI	vs	CIN	W 7-1	1.000	30	7	7	2	0	0	3	5	0	6	0	0	36	9	2	1	0	0	1	.233	.343	.300	.643
11	Diamondbacks	5/6/2006	1-0	ARI	vs	CIN	W 3-1	1.000	34	3	12	5	0	0	3	1	0	2	0	0	36	17	5	1	0	0	0	.353	.371	.500	.871
12	Diamondbacks	5/7/2006	0-1	ARI	vs	CIN	L 8-9	.000	38	8	11	4	1	1	8	4	2	3	0	0	45	20	6	1	0	1	0	.289	.386	.526	.913
13	Diamondbacks	5/26/2006	1-0	ARI	@	CIN	W 3-0	1.000	34	3	5	0	0	1	3	1	0	10	0	0	35	8	1	0	0	0	0	.147	.171	.235	.407
14	Diamondbacks	5/27/2006	1-0	ARI	@	CIN	W 7-0	1.000	36	7	10	2	0	1	7	3	0	9	2	0	40	15	3	1	0	0	0	.278	.333	.417	.750
15	Diamondbacks	5/28/2006	0-1	ARI	@	CIN	L 4-5	.000	34	4	9	2	0	0	4	3	0	8	0	0	37	11	2	0	0	1	0	.265	.324	.324	.648
16	Diamondbacks	5/11/2009	0-1	ARI	vs	CIN	L 5-13	.000	37	5	11	2	0	3	5	0	2	5	0	0	39	22	5	0	0	0	1	.297	.333	.595	.928
17	Diamondbacks	5/12/2009	0-1	ARI	vs	CIN	L 1-3	.000	32	1	6	1	0	0	1	4	1	6	1	0	37	7	1	0	0	0	1	.188	.297	.219	.516
18	Diamondbacks	5/13/2009	0-1	ARI	vs	CIN	L 3-10	.000	32	3	5	1	1	2	3	3	0	7	0	0	35	14	4	0	0	0	1	.156	.229	.438	.666
19	Diamondbacks	5/29/2014	1-0	ARI	vs	CIN	W 4-0	1.000	33	4	10	3	1	1	3	3	0	5	1	0	36	18	5	0	0	1	1	.303	.361	.545	.907
20	Diamondbacks	5/30/2014	0-1	ARI	vs	CIN	L 4-6	.000	34	4	7	3	0	0	3	1	0	8	1	0	36	10	3	1	0	0	0	.206	.229	.294	.523
21	Diamondbacks	5/31/2014	0-1	ARI	vs	CIN	L 0-5	.000	32	0	6	2	0	0	0	2	1	9	0	0	35	8	2	0	0	0	1	.188	.257	.250	.507
22	Diamondbacks	5/28/2018	1-0	ARI	vs	CIN	W 12-5	1.000	36	12	11	1	1	3	12	5	0	7	1	1	41	23	5	0	0	0	0	.306	.390	.639	1.029
23	Diamondbacks	5/29/2018	1-0	ARI	vs	CIN	W 5-2	1.000	27	5	4	1	0	1	4	4	0	7	0	0	32	8	2	0	1	0	1	.148	.250	.296	.546
24	Diamondbacks	5/30/2018	0-1	ARI	vs	CIN	L 4-7	.000	39	4	13	1	0	2	4	1	0	5	0	0	40	20	3	0	0	0	1	.333	.350	.513	.863
25	Diamondbacks	5/7/2024	1-0	ARI	@	CIN	W 6-2	1.000	36	6	8	1	0	2	6	2	0	12	0	0	38	15	3	0	0	0	0	.222	.263	.417	.680
	Total		18-12					.600	1,024	134	260	60	6	34	126	98	11	201	17	3	1,146	434	100	6	7	7	15	.254	.324	.424	.748