Ian Happ smashed the most homers against the Reds in 2021, with 7 homers.

Interpreted as:

most homeruns by a player vs reds 2021

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Ian Happ I. Happ	7	2021	CHC	19	58	10	20	3	0	15	9	0	16	1	0	67	44	10	0	0	0	2	.345	.433	.759	1.191
2	Kris Bryant K. Bryant	5	2021	CHC	12	46	11	18	2	0	9	6	2	9	0	1	54	35	7	0	0	0	1	.391	.481	.761	1.242
3	Nolan Arenado N. Arenado	5	2021	STL	19	75	15	26	3	2	17	3	0	7	0	0	78	48	10	0	0	0	5	.347	.372	.640	1.012
4	Tyler O'Neill T. O'Neill	5	2021	STL	19	68	13	18	4	0	10	4	2	20	0	0	74	37	9	0	0	0	2	.265	.324	.544	.868
5	Avisaíl García A. García	4	2021	MIL	17	63	8	19	3	0	15	3	5	18	1	0	74	34	7	0	3	2	2	.302	.365	.540	.905
6	Paul Goldschmidt P. Goldschmidt	4	2021	STL	19	67	12	21	5	1	11	10	0	22	1	0	77	40	10	0	0	0	1	.313	.403	.597	1.000
7	Harrison Bader H. Bader	3	2021	STL	9	30	5	13	3	0	6	3	0	8	0	0	33	25	6	0	0	0	0	.433	.485	.833	1.318
8	Ozzie Albies O. Albies	3	2021	ATL	7	30	5	7	2	0	5	2	0	8	2	0	32	18	5	0	0	0	0	.233	.281	.600	.881
9	Wil Myers W. Myers	3	2021	SDP	7	27	4	9	2	1	5	1	0	9	0	1	28	22	6	0	0	0	0	.333	.357	.815	1.172
10	Andrew McCutchen A. McCutchen	3	2021	PHI	6	21	4	4	0	0	5	5	0	7	0	0	26	13	3	0	0	0	0	.190	.346	.619	.965
11	Luis Urías L. Urías	3	2021	MIL	19	69	16	17	4	0	7	11	3	17	2	0	83	30	7	0	0	0	2	.246	.373	.435	.808
12	Daniel Vogelbach D. Vogelbach	3	2021	MIL	9	32	7	9	2	0	4	5	0	8	0	0	37	20	5	0	0	0	0	.281	.378	.625	1.003
13	Ryan McMahon R. McMahon	3	2021	COL	7	26	8	7	2	0	7	1	0	5	1	0	27	18	5	0	0	0	0	.269	.296	.692	.989
14	Willson Contreras W. Contreras	3	2021	CHC	14	50	6	15	3	0	4	4	0	13	0	0	54	27	6	0	0	0	1	.300	.352	.540	.892
15	Anthony Rizzo A. Rizzo	3	2021	CHC	9	35	3	8	1	0	5	4	1	6	0	0	40	18	4	0	0	0	1	.229	.325	.514	.839
16	Brandon Crawford B. Crawford	3	2021	SFG	6	23	8	6	0	0	10	1	0	8	0	0	24	15	3	0	0	0	1	.261	.292	.652	.944
17	Eduardo Escobar E. Escobar	3	2021	ARI	6	27	7	9	4	0	7	3	0	5	0	0	30	22	7	0	0	0	0	.333	.400	.815	1.215
18	Bryan Reynolds B. Reynolds	3	2021	PIT	19	53	10	18	6	3	9	12	1	11	0	1	67	39	12	0	1	1	0	.340	.463	.736	1.199
19	Paul DeJong P. DeJong	3	2021	STL	14	47	7	9	0	0	5	3	0	12	0	0	50	18	3	0	0	0	2	.191	.240	.383	.623
20	Gavin Sheets G. Sheets	2	2021	CWS	2	6	2	4	0	0	5	0	0	1	0	0	6	10	2	0	0	0	0	.667	.667	1.667	2.333
21	Luis Robert Jr. L. Robert Jr.	2	2021	CWS	2	8	3	3	0	0	3	1	0	1	1	0	9	9	2	0	0	0	0	.375	.444	1.125	1.569
22	Keibert Ruiz K. Ruiz	2	2021	WSH	3	13	3	5	1	0	3	1	0	0	0	0	14	12	3	0	0	0	0	.385	.429	.923	1.352
23	Dustin Garneau D. Garneau	2	2021	DET	2	8	2	3	1	0	4	1	0	2	0	0	9	10	3	0	0	0	0	.375	.444	1.250	1.694
24	Jesús Sánchez J. Sánchez	2	2021	MIA	7	20	3	5	2	0	6	3	1	2	0	0	24	13	4	0	0	0	1	.250	.375	.650	1.025
25	Michael Conforto M. Conforto	2	2021	NYM	6	22	3	3	0	0	3	1	0	7	0	0	23	9	2	0	0	0	0	.136	.174	.409	.583