Robert Williams III has the best career true shooting percentage in the NBA Finals when playing 20.0+ minutes per game, at 78.6 percent.

Interpreted as:

highest finals ts% by a player with at least 20 mpg

	NAME	TS%	MPG	SERIES	GP	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Robert Williams III R. Williams III	78.6	26.4	NBA Finals	6	7.5	7.5	1.5	0.8	2.8	3.3	4.3	76.9	0.0	0.0		0.8	1.0	83.3	2.8	4.7	0.7	158	45	45	9	5	17	4	10	+30
2	Al Horford A. Horford	74.2	30.9	NBA Finals	11	10.0	7.5	2.7	0.9	0.6	3.5	6.2	57.4	2.1	3.7	56.1	0.8	1.3	64.3	1.4	6.1	1.2	340	110	82	30	10	7	13	21	-19
3	Orlando Woolridge O. Woolridge	72.1	21.8	NBA Finals	4	9.5	5.3	1.5	0.0	0.5	2.8	4.5	61.1	0.0	0.0		4.0	4.8	84.2	1.3	4.0	1.5	87	38	21	6	0	2	6	11
4	Austin Croshere A. Croshere	71.3	24.2	NBA Finals	6	15.2	6.0	0.8	0.3	1.0	4.0	7.3	54.5	0.7	1.7	40.0	6.5	7.5	86.7	1.3	4.7	1.2	145	91	36	5	2	6	7	19	+2
5	Dereck Lively II D. Lively II	69.7	22.8	NBA Finals	5	5.6	8.2	0.4	0.8	0.2	2.4	3.4	70.6	0.2	0.2	100.0	0.6	1.4	42.9	3.2	5.0	1.0	114	28	41	2	4	1	5	11	-10
6	Bob Gross B. Gross	69.2	27.7	NBA Finals	6	17.3	5.7	3.5	1.8	0.3	7.7	11.5	66.7				2.0	2.3	85.7	3.3	2.3		166	104	34	21	11	2		26
7	James Posey J. Posey	68.6	27.3	NBA Finals	12	8.0	4.9	0.4	1.2	0.1	2.3	4.9	45.8	1.7	3.7	45.5	1.8	2.1	88.0	0.8	4.2	1.0	328	96	59	5	14	1	12	38	+69
8	Rick Fox R. Fox	68.3	24.6	NBA Finals	18	7.6	3.4	2.6	0.8	0.2	2.3	4.6	51.2	0.9	1.9	48.6	1.9	2.2	87.5	0.7	2.7	1.7	442	136	61	46	15	4	30	54	+60
9	Erick Dampier E. Dampier	67.9	24.6	NBA Finals	6	5.7	8.2	0.3	1.0	0.7	2.2	3.0	72.2	0.0	0.0		1.3	2.7	50.0	2.7	5.5	1.3	148	34	49	2	6	4	8	22	+21
10	Adrian Dantley A. Dantley	67.6	36.4	NBA Finals	7	21.3	5.0	2.3	0.6	0.1	6.7	11.7	57.3	0.0	0.0		7.9	9.1	85.9	2.0	3.0	2.6	255	149	35	16	4	1	18	18
11	Kevin Durant K. Durant	67.4	39.3	NBA Finals	15	30.3	7.7	4.5	1.0	1.5	10.7	19.5	54.6	2.9	6.4	44.8	6.1	6.7	91.1	1.0	6.7	2.7	589	455	116	68	15	23	40	47	+105
12	Nikola Jokić N. Jokić	67.2	41.1	NBA Finals	5	30.2	14.0	7.2	0.8	1.4	11.2	19.2	58.3	1.6	3.8	42.1	6.2	7.4	83.8	1.8	12.2	3.4	205	151	70	36	4	7	17	17	+39
13	Cameron Johnson C. Johnson	67.0	22.6	NBA Finals	6	8.5	3.2	0.8	0.5	0.5	2.8	5.8	48.6	1.7	3.8	43.5	1.2	1.2	100.0	0.7	2.5	0.7	136	51	19	5	3	3	4	12	-35
14	Anthony Davis A. Davis	66.9	38.2	NBA Finals	6	25.0	10.7	3.2	1.3	2.0	9.3	16.3	57.1	1.3	3.2	42.1	5.0	5.3	93.8	3.3	7.3	2.7	229	150	64	19	8	12	16	18	+49
15	John Paxson J. Paxson	66.9	25.9	NBA Finals	17	9.6	1.4	2.2	0.9	0.1	4.2	7.1	59.2	1.0	2.1	47.2	0.3	0.4	83.3	0.4	1.1	0.5	440	164	24	38	16	1	9	34
16	Mikal Bridges M. Bridges	66.3	32.1	NBA Finals	6	12.0	4.2	1.2	1.0	0.5	4.3	8.2	53.1	1.5	3.5	42.9	1.8	2.0	91.7	0.7	3.5	1.2	192	72	25	7	6	3	7	10	+4
17	Pat Connaughton P. Connaughton	65.9	30.0	NBA Finals	6	9.2	5.8	1.2	0.2	0.0	3.2	6.7	47.5	2.5	5.7	44.1	0.3	0.7	50.0	1.7	4.2	0.8	180	55	35	7	1	0	5	14	+1
18	Giannis Antetokounmpo G. Antetokounmpo	65.8	39.8	NBA Finals	6	35.2	13.2	5.0	1.2	1.8	12.7	20.5	61.8	0.5	2.5	20.0	9.3	14.2	65.9	4.0	9.2	2.3	239	211	79	30	7	11	14	18	+30
19	Aaron Gordon A. Gordon	64.1	35.7	NBA Finals	5	14.0	7.4	3.0	0.8	0.6	5.8	9.6	60.4	1.0	1.8	55.6	1.4	3.0	46.7	1.8	5.6	0.6	178	70	37	15	4	3	3	14	+61
20	Duncan Robinson D. Robinson	64.0	26.0	NBA Finals	11	10.4	2.0	2.1	0.5	0.4	3.3	7.5	43.9	2.5	6.1	40.3	1.4	1.5	93.8	0.1	1.9	0.7	286	114	22	23	6	4	8	32	-35
21	Anfernee Hardaway A. Hardaway	63.7	43.0	NBA Finals	4	25.5	4.8	8.0	1.0	0.8	8.8	17.5	50.0	2.8	6.0	45.8	5.3	5.8	91.3	1.5	3.3	3.8	172	102	19	32	4	3	15	15
22	Shawn Kemp S. Kemp	63.3	40.3	NBA Finals	6	23.3	10.0	2.2	1.3	2.0	8.2	14.8	55.1	0.0	0.2	0.0	7.0	8.2	85.7	4.3	5.7	4.0	242	140	60	13	8	12	24	28
23	Tyson Chandler T. Chandler	62.9	37.3	NBA Finals	6	9.7	8.8	0.7	1.2	1.2	3.2	5.3	59.4	0.0	0.0		3.3	5.3	62.5	4.0	4.8	0.5	224	58	53	4	7	7	3	24	+30
24	Kawhi Leonard K. Leonard	62.9	37.0	NBA Finals	18	20.1	9.4	2.3	1.9	0.9	6.7	13.4	49.6	1.9	4.7	40.5	4.9	5.8	84.6	2.5	6.9	1.9	665	362	169	41	34	16	34	53	+89
25	Dikembe Mutombo D. Mutombo	62.7	26.4	NBA Finals	11	8.9	7.1	0.2	0.5	1.7	3.5	5.9	58.5	0.0	0.0		2.0	2.7	73.3	2.5	4.6	0.9	290	98	78	2	5	19	10	37	-58