50 players are tied for the best career batting average in the postseason when hitting >0 singles, with an average of 1.000. The first three are Alex Call, Xavier Edwards and Nolan Gorman.

Interpreted as:

highest ba in a single by a player playoff series

	NAME	AVG	1B	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Alex Call A. Call	1.000	2	2	2	1	2	0	0	0	0	1	0	0	0	0	3	2	0	0	0	0	0	1.000	1.000	2.000
2	Xavier Edwards X. Edwards	1.000	1	1	1	1	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
3	Nolan Gorman N. Gorman	1.000	1	1	1	0	1	0	0	0	1	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
4	Tony Gonsolin T. Gonsolin	1.000	1	3	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
5	Alexi Amarista A. Amarista	1.000	1	1	1	0	1	0	0	0	1	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
6	Ty Kelly T. Kelly	1.000	1	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
7	Dalton Pompey D. Pompey	1.000	1	5	1	0	1	0	0	0	0	0	0	0	4	0	1	1	0	0	0	0	0	1.000	1.000	2.000
8	Christian Colon C. Colon	1.000	2	3	2	2	2	0	0	0	2	0	0	0	1	0	3	2	0	1	0	0	0	1.000	1.000	2.000
9	Jose Constanza J. Constanza	1.000	1	3	2	1	2	0	1	0	1	0	0	0	0	0	2	4	1	0	0	0	0	1.000	2.000	3.000
10	Tyler Moore T. Moore	1.000	1	1	1	0	1	0	0	0	2	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
11	Collin Cowgill C. Cowgill	1.000	1	3	1	0	1	0	0	0	2	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
12	Jesus Montero J. Montero	1.000	2	1	2	1	2	0	0	0	1	0	0	0	0	0	2	2	0	0	0	0	0	1.000	1.000	2.000
13	Mike Sweeney M. Sweeney	1.000	1	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
14	Jason Hammel J. Hammel	1.000	1	3	1	1	1	0	0	0	1	1	0	0	0	0	2	1	0	0	0	0	0	1.000	1.000	2.000
15	Andy Sonnanstine A. Sonnanstine	1.000	1	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
16	Carlos Villanueva C. Villanueva	1.000	1	2	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
17	Rob Bowen R. Bowen	1.000	1	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
18	Willie Harris W. Harris	1.000	2	3	2	1	2	0	0	0	1	0	0	0	1	0	2	2	0	0	0	0	0	1.000	1.000	2.000
19	Dontrelle Willis D. Willis	1.000	2	6	3	1	3	0	1	0	0	0	0	0	0	0	3	5	1	0	0	0	0	1.000	1.667	2.667
20	Jolbert Cabrera J. Cabrera	1.000	1	2	1	1	1	0	0	0	1	0	1	0	0	0	2	1	0	0	0	0	0	1.000	1.000	2.000
21	Bo Porter B. Porter	1.000	1	2	1	0	1	0	0	0	1	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
22	Sandy Martinez S. Martinez	1.000	1	1	1	1	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
23	Kim Batiste K. Batiste	1.000	1	7	1	0	1	0	0	0	1	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
24	Craig Grebeck C. Grebeck	1.000	1	1	1	0	1	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	1.000	1.000	2.000
25	Tommy Greene T. Greene	1.000	1	3	1	2	1	0	0	0	0	1	0	0	0	0	4	1	0	2	0	0	0	1.000	1.000	2.000