player with the highest batting average vs a single team all-time with at least 30 at bats

Magglio Ordonez has the highest career batting average by a player against a team with 30+ at-bats, with an average of .618 against the Nationals.

	NAME	AVG	AB	OPP	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Magglio Ordonez M. Ordonez	.618	34	Nationals	9	12	21	6	0	0	13	5	0	2	0	0	39	27	6	0	0	0	2	.667	.794	1.461
2	Gerardo Parra G. Parra	.553	47	Indians	13	11	26	4	3	2	12	2	0	10	2	1	50	42	9	0	1	1	1	.560	.894	1.454
3	Cristian Guzman C. Guzman	.545	33	Twins	9	7	18	3	0	0	4	2	1	1	0	0	36	21	3	0	0	0	1	.583	.636	1.220
4	Nap Lajoie N. Lajoie	.534	148	Orioles	34	45	79	13	5	3	31	6	1		10		156	111	21	1				.555	.750	1.305
5	Joe Mauer J. Mauer	.529	51	Dodgers	14	5	27	5	1	0	11	9	0	7	1	0	61	34	6	0	1	0	0	.590	.667	1.257
6	Yonathan Daza Y. Daza	.516	31	Reds	10	5	16	4	0	0	4	3	1	5	1	0	35	20	4	0	0	0	1	.571	.645	1.217
7	Fred Kommers F. Kommers	.516	31	Cardinals	8	4	16	1	3	0	9	4	0	1	1		36	23	4	1				.571	.742	1.313
8	Mike Mitchell M. Mitchell	.514	35	Browns	9	7	18	3	0	0		1	0	1	1		39	21	3	3				.528	.600	1.128
9	Christian Yelich C. Yelich	.509	55	Rangers	14	14	28	10	0	2	10	9	0	7	2	0	64	44	12	0	0	3	0	.578	.800	1.378
10	Seiya Suzuki S. Suzuki	.500	34	Athletics	8	7	17	1	0	3	11	7	0	12	0	0	42	27	4	0	1	0	0	.571	.794	1.366
11	Jose Herrera J. Herrera	.500	36	Indians	10	12	18	3	1	2	4	1	0	4	4	0	37	29	6	0	0	0	0	.514	.806	1.319
12	Lyle Mouton L. Mouton	.500	38	Red Sox	13	5	19	1	0	1	12	3	0	7	1	0	41	23	2	0	0	1	0	.537	.605	1.142
13	Jerry Standaert J. Standaert	.500	40	Phillies	15	6	20	5	2	0	7	2	1	2	0		43	29	7	0				.535	.725	1.260
14	Mike Lynch M. Lynch	.500	34	Doves	14	8	17	3	1	0		2	0		0		37	22	4	1				.528	.647	1.175
15	Harry Bemis H. Bemis	.500	38	Orioles	11	8	19	1	0	0	4	3	0		0		41	20	1	0				.537	.526	1.063
16	Junior Spivey J. Spivey	.492	63	Braves	16	20	31	6	0	6	9	8	3	10	1	0	74	55	12	0	0	0	1	.568	.873	1.441
17	Nick Markakis N. Markakis	.487	39	Braves	9	7	19	2	0	1	2	3	0	2	1	0	42	24	3	0	0	0	0	.524	.615	1.139
18	Nico Hoerner N. Hoerner	.486	37	Athletics	9	10	18	2	0	0	3	5	0	1	4	0	42	20	2	0	0	0	0	.548	.541	1.088
19	Jesus Montero J. Montero	.486	35	Royals	9	9	17	3	0	3	13	4	1	1	0	0	41	29	6	0	1	2	1	.537	.829	1.365
20	Pablo Reyes P. Reyes	.485	33	Royals	10	7	16	2	0	1	4	0	0	4	1	2	34	21	3	1	0	0	1	.485	.636	1.121
21	Mike Sweeney M. Sweeney	.485	33	Padres	11	8	16	3	0	5	20	7	0	5	1	0	40	34	8	0	0	1	1	.575	1.030	1.605
22	Aaron Judge A. Judge	.484	31	Giants	9	11	15	1	0	5	10	7	1	8	2	0	39	31	6	0	0	1	0	.590	1.000	1.590
23	Yandy Díaz Y. Díaz	.484	31	Mets	7	5	15	4	1	0	8	2	0	3	0	0	33	21	5	0	0	0	0	.515	.677	1.193
24	Mike Trout M. Trout	.484	31	Mets	8	9	15	3	0	5	10	6	0	9	1	0	38	33	8	0	1	2	1	.553	1.065	1.617
25	Dave Meier D. Meier	.484	31	Angels	15	7	15	2	0	0	1	2	0	4	0	1	34	17	2	1	0	0	2	.515	.548	1.064