Devin Booker has the highest field-goal percentage with 21+ field-goal attempts and 42+ points in a playoff game, at 80.0 percent in Game 3 of the 2023 Western Conference Semifinals against the Nuggets.

Interpreted as:

highest field goal percentage by a player with 21 or more field goal attempts and 42 or more points in a playoff game

	NAME	FG%	FGA	PTS	DATE	TM		OPP	MIN	REB	AST	STL	BLK	FGM	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Devin Booker D. Booker	80.0	25	47	5/5/2023	PHX	vs	DEN	42	6	9	3	1	20	5	8	62.5	2	2	100.0	90.8	0	6	3	5	+7
2	George Gervin G. Gervin	77.3	22	42	4/26/1983	SAS	vs	DEN	35	10	2	1	0	17	0	0		8	8	100.0	82.3	5	5	2	3
3	Kevin Johnson K. Johnson	75.0	24	43	5/14/1995	PHX	@	HOU	48	6	9	3	0	18	2	2	100.0	5	7	71.4	79.4	0	6	1	3
4	Patrick Ewing P. Ewing	75.0	24	44	5/4/1990	NYK	vs	BOS	40	13	5	7	2	18	0	0		8	9	88.9	78.7	2	11	3	3
5	Charles Barkley C. Barkley	74.2	31	56	5/4/1994	PHX	@	GSW	41	14	4	3	1	23	3	4	75.0	7	9	77.8	80.1	5	9	2	2
6	Wilt Chamberlain W. Chamberlain	74.1	27	45	5/6/1970	LAL	vs	NYK	46	27	3			20				5	14	35.7	67.9				3
7	LeBron James L. James	73.1	26	45	6/7/2012	MIA	@	BOS	45	15	5	0	0	19	2	4	50.0	5	9	55.6	75.1	2	13	4	3	+22
8	Elvin Hayes E. Hayes	73.1	26	46	4/20/1975	WAS	vs	BUF	48	12	5	3	3	19				8	13	61.5	72.5				3
9	Gail Goodrich G. Goodrich	73.1	26	44	4/25/1973	LAL	vs	GSW	36	3	8			19				6	7	85.7	75.7				3
10	Charles Barkley C. Barkley	72.7	22	43	6/1/1993	PHX	vs	SEA	47	15	10	2	2	16	0	0		11	11	100.0	80.1	5	10	3	2
11	Sleepy Floyd S. Floyd	72.7	22	42	4/30/1988	HOU	@	DAL	44	3	9	1	0	16	1	1	100.0	9	10	90.0	79.5	1	2	2	2
12	Kawhi Leonard K. Leonard	72.0	25	45	6/4/2021	LAC	@	DAL	42	6	3	2	0	18	5	9	55.6	4	4	100.0	84.1	2	4	4	1	+8
13	Carmelo Anthony C. Anthony	72.0	25	42	4/17/2010	DEN	vs	UTA	38	4	5	0	0	18	2	5	40.0	4	4	100.0	78.5	1	3	0	3	+17
14	Michael Jordan M. Jordan	72.0	25	44	5/5/1988	CHI	@	CLE	42	5	4	4	2	18	0	0		8	9	88.9	76.0	2	3	4	6
15	Steve Nash S. Nash	71.4	28	48	5/15/2005	PHX	@	DAL	44	5	5	3	1	20	4	6	66.7	4	4	100.0	80.6	1	4	9	4	-8
16	Damian Lillard D. Lillard	70.8	24	55	6/1/2021	POR	@	DEN	52	6	10	1	3	17	12	17	70.6	9	10	90.0	96.8	1	5	1	0	+2
17	Jamal Murray J. Murray	70.8	24	50	8/30/2020	DEN	@	UTA	43	5	6	0	0	17	9	12	75.0	7	9	77.8	89.4	1	4	5	5	+12
18	LeBron James L. James	70.8	24	46	4/18/2018	CLE	vs	IND	40	12	5	2	0	17	2	5	40.0	10	13	76.9	77.4	1	11	3	1	+7
19	Devin Booker D. Booker	70.4	27	47	4/25/2023	PHX	vs	LAC	42	8	10	2	0	19	4	7	57.1	5	6	83.3	79.3	2	6	3	4	+11
20	Bernard King B. King	70.4	27	46	4/22/1984	NYK	vs	DET	40	10	4	0	1	19	0	0		8	12	66.7	71.3	6	4	2	5
21	James Harden J. Harden	69.6	23	42	5/7/2023	PHI	vs	BOS	47	8	9	4	1	16	6	9	66.7	4	4	100.0	84.8	0	8	1	2	-6
22	Kevin Durant K. Durant	69.6	23	49	6/15/2021	BKN	vs	MIL	48	17	10	3	2	16	4	9	44.4	13	16	81.3	81.6	0	17	3	3	+6
23	Kawhi Leonard K. Leonard	69.6	23	45	4/27/2019	TOR	vs	PHI	38	11	2	2	1	16	3	7	42.9	10	11	90.9	80.8	0	11	2	1	+26
24	Dwight Howard D. Howard	69.6	23	46	4/16/2011	ORL	vs	ATL	46	19	1	0	1	16	0	1	0.0	14	22	63.6	70.4	6	13	8	5	-10
25	Michael Jordan M. Jordan	69.6	23	45	5/27/1996	CHI	@	ORL	44	3	5	1	1	16	3	4	75.0	10	14	71.4	77.2	2	1	4	5