The Cincinnati Reds are 6-21 against the Mariners since 1977.

	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	Reds	6/18/2002	0-1	CIN	vs	SEA	L 1-8	.000	33	1	8	1	0	0	0	2	1	6	0	0	38	9	1	2	0	0	2	.242	.306	.273	.578
2	Reds	6/19/2002	0-1	CIN	vs	SEA	L 0-2	.000	32	0	5	1	0	0	0	0	1	8	0	0	33	6	1	0	0	0	0	.156	.182	.188	.369
3	Reds	6/20/2002	0-1	CIN	vs	SEA	L 2-3	.000	32	2	6	2	0	1	2	1	1	5	0	0	35	11	3	1	0	0	0	.188	.235	.344	.579
4	Reds	6/22/2007	1-0	CIN	@	SEA	W 16-1	1.000	42	16	16	2	0	5	15	6	2	10	0	0	51	33	7	0	1	0	0	.381	.471	.786	1.256
5	Reds	6/23/2007	0-1	CIN	@	SEA	L 1-9	.000	30	1	7	0	0	1	1	3	0	5	0	0	33	10	1	0	0	0	2	.233	.303	.333	.636
6	Reds	6/24/2007	0-1	CIN	@	SEA	L 2-3	.000	32	2	6	0	0	2	2	2	2	6	0	0	37	12	2	1	0	0	0	.188	.278	.375	.653
7	Reds	6/18/2010	0-1	CIN	@	SEA	L 0-1	.000	33	0	6	2	0	0	0	0	0	7	0	0	33	8	2	0	0	0	0	.182	.182	.242	.424
8	Reds	6/19/2010	0-1	CIN	@	SEA	L 1-5	.000	31	1	5	0	0	0	1	1	0	9	1	0	32	5	0	0	0	0	1	.161	.188	.161	.349
9	Reds	6/20/2010	0-1	CIN	@	SEA	L 0-1	.000	28	0	3	0	0	0	0	5	1	7	0	1	35	3	0	1	0	0	0	.107	.265	.107	.372
10	Reds	7/5/2013	0-1	CIN	vs	SEA	L 2-4	.000	32	2	6	2	0	1	2	1	0	10	0	0	34	11	3	1	0	0	1	.188	.212	.344	.556
11	Reds	7/6/2013	1-0	CIN	vs	SEA	W 13-4	1.000	37	13	13	5	0	0	13	7	0	6	0	0	45	18	5	0	1	3	0	.351	.444	.486	.931
12	Reds	7/7/2013	0-1	CIN	vs	SEA	L 1-3	.000	33	1	6	3	0	0	1	0	0	3	0	0	33	9	3	0	0	0	1	.182	.182	.273	.455
13	Reds	5/20/2016	0-1	CIN	vs	SEA	L 3-8	.000	33	3	8	1	0	1	3	3	0	9	0	0	37	12	2	1	0	1	1	.242	.306	.364	.669
14	Reds	5/21/2016	0-1	CIN	vs	SEA	L 0-4	.000	30	0	4	0	0	0	0	3	0	7	0	0	33	4	0	0	0	0	1	.133	.212	.133	.345
15	Reds	5/22/2016	0-1	CIN	vs	SEA	L 4-5	.000	32	4	8	2	0	1	4	1	1	9	0	0	36	13	3	1	1	0	0	.250	.286	.406	.692
16	Reds	9/10/2019	0-1	CIN	@	SEA	L 3-4	.000	31	3	8	2	1	1	3	5	0	6	0	0	36	15	4	0	0	0	4	.258	.361	.484	.845
17	Reds	9/11/2019	0-1	CIN	@	SEA	L 3-5	.000	33	3	5	2	0	1	2	4	1	12	0	0	38	10	3	0	0	0	0	.152	.263	.303	.566
18	Reds	9/12/2019	1-0	CIN	@	SEA	W 11-5	1.000	36	11	11	2	0	3	11	7	0	9	3	0	45	22	5	0	2	0	0	.306	.400	.611	1.011
19	Reds	9/4/2023	1-0	CIN	vs	SEA	W 6-3	1.000	33	6	8	2	0	1	6	4	4	1	0	0	42	13	3	1	0	0	0	.242	.390	.394	.784
20	Reds	9/5/2023	1-0	CIN	vs	SEA	W 7-6	1.000	33	7	13	2	0	3	7	5	3	3	1	2	41	24	5	0	0	0	2	.394	.512	.727	1.239
21	Reds	9/6/2023	0-1	CIN	vs	SEA	L 4-8	.000	35	4	10	2	1	1	4	3	0	13	2	0	39	17	4	0	1	0	1	.286	.333	.486	.819
22	Reds	4/15/2024	0-1	CIN	@	SEA	L 3-9	.000	33	3	7	4	0	2	3	0	0	10	1	1	33	17	6	0	0	0	0	.212	.212	.515	.727
23	Reds	4/16/2024	0-1	CIN	@	SEA	L 1-3	.000	30	1	4	0	0	0	1	4	0	9	2	1	34	4	0	0	0	0	0	.133	.235	.133	.369
24	Reds	4/17/2024	0-1	CIN	@	SEA	L 1-5	.000	28	1	1	0	0	1	1	1	0	12	0	0	29	4	1	0	0	0	0	.036	.069	.143	.212
25	Reds	4/15/2025	1-0	CIN	vs	SEA	W 8-4	1.000	33	8	9	2	0	1	8	7	0	6	0	0	40	14	3	0	0	0	0	.273	.400	.424	.824
	Total		6-21					.222	885	103	203	42	2	28	100	83	17	207	12	7	1,001	333	72	9	7	4	18	.229	.305	.376	.682