highest batting average in playoff single season with at least 30 at bats

Brooks Robinson has the highest batting average with 30+ at-bats in a postseason, with an average of .485 in 1970.

Interpreted as:

highest batting average by a player in playoff single season with at least 30 at bats

	NAME	AVG	AB	SEASON	TM	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Brooks Robinson B. Robinson	.485	33	1970	BAL	8	8	16	4	0	2	7	0	0	3	0	0	34	26	6	0	1	0	0	.471	.788	1.258
2	Thurman Munson T. Munson	.475	40	1976	NYY	9	5	19	2	0	0	5	0	0	2	0	1	40	21	2	0	0	0	1	.475	.525	1.000
3	Will Clark W. Clark	.472	36	1989	SFG	9	10	17	4	1	2	8	3	0	5	0	0	39	29	7	0	0	0	0	.513	.806	1.318
4	Phil Garner P. Garner	.472	36	1979	PIT	10	8	17	4	1	1	6	4	1	1	0	0	41	26	6	0	0	3	0	.537	.722	1.259
5	Yordan Alvarez Y. Alvarez	.465	43	2023	HOU	11	12	20	2	1	6	15	4	1	14	0	0	49	42	9	0	1	2	0	.510	.977	1.487
6	Paul Molitor P. Molitor	.447	47	1993	TOR	12	17	21	4	3	3	13	6	2	3	1	0	55	40	10	0	0	1	0	.527	.851	1.378
7	Rickey Henderson R. Henderson	.441	34	1989	OAK	9	12	15	2	3	3	8	9	1	2	11	1	44	32	8	0	0	0	0	.568	.941	1.509
8	Carlos Beltran C. Beltran	.435	46	2004	HOU	12	21	20	3	0	8	14	9	1	8	6	0	56	47	11	0	0	1	0	.536	1.022	1.557
9	Sean Casey S. Casey	.432	37	2006	DET	10	3	16	5	0	2	9	1	1	2	0	0	39	27	7	0	0	0	0	.462	.730	1.191
10	Chris Chambliss C. Chambliss	.432	37	1976	NYY	9	6	16	2	1	2	9	0	1	3	2	0	39	26	5	0	1	0	1	.436	.703	1.139
11	Jose Offerman J. Offerman	.429	42	1999	BOS	10	8	18	1	1	1	8	8	0	3	1	1	50	24	3	0	0	0	1	.520	.571	1.091
12	Gary Carter G. Carter	.429	35	1981	MON	10	6	15	4	0	2	6	5	0	3	0	1	41	25	6	0	1	1	0	.488	.714	1.202
13	Amos Otis A. Otis	.429	35	1980	KCR	9	6	15	3	0	3	7	3	0	6	2	1	38	27	6	0	0	1	2	.474	.771	1.245
14	Ichiro Suzuki I. Suzuki	.421	38	2001	SEA	10	7	16	2	0	0	3	5	0	4	3	2	43	18	2	0	0	2	0	.488	.474	.962
15	Alan Trammell A. Trammell	.419	31	1984	DET	8	7	13	1	1	3	9	5	0	3	1	1	37	25	5	1	0	0	0	.500	.806	1.306
16	Bill Russell B. Russell	.419	43	1978	LAD	10	2	18	3	0	0	4	3	0	3	1	2	46	21	3	0	0	1	2	.457	.488	.945
17	Josh Donaldson J. Donaldson	.417	36	2016	TOR	9	6	15	6	0	1	5	3	0	7	0	0	39	24	7	0	0	1	1	.462	.667	1.128
18	Reggie Jackson R. Jackson	.417	36	1978	NYY	10	7	15	2	0	4	14	6	2	11	0	1	45	29	6	0	1	1	0	.511	.806	1.317
19	Willie Stargell W. Stargell	.415	41	1979	PIT	10	9	17	6	0	5	13	3	0	8	0	0	46	38	11	0	2	1	1	.435	.927	1.362
20	Albert Pujols A. Pujols	.414	58	2004	STL	15	15	24	4	0	6	14	8	1	6	0	0	67	46	10	0	0	1	1	.493	.793	1.286
21	Hideki Matsui H. Matsui	.412	51	2004	NYY	11	12	21	7	1	3	13	5	0	8	0	0	57	39	11	0	1	1	0	.456	.765	1.221
22	Enrique Hernández E. Hernández	.408	49	2021	BOS	11	9	20	4	1	5	9	1	1	6	0	0	52	41	10	0	1	0	0	.423	.837	1.260
23	Nomar Garciaparra N. Garciaparra	.406	32	1999	BOS	9	8	13	4	0	4	9	5	1	5	1	0	38	29	8	0	0	2	0	.500	.906	1.406
24	Bobby Richardson B. Richardson	.406	32	1964	NYY	7	3	13	2	0	0	3	0	0	2	1	0	33	15	2	1	0	0	1	.406	.469	.875
25	Victor Martinez V. Martinez	.405	42	2013	DET	11	9	17	4	0	1	5	1	1	3	0	0	44	24	5	0	0	0	1	.432	.571	1.003