Wilt Chamberlain has grabbed the most boards in Game 1 of the NBA Finals, with 33 boards versus the San Francisco Warriors on April 14, 1967.

Interpreted as:

most rebounds by a player in a finals game 1

	NAME	REB	DATE	SEASON	SERIES	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Wilt Chamberlain W. Chamberlain	33	4/14/1967	1966-67	NBA Finals	PHI	vs	SFW	53	16	10			6	8	75.0				4	9	44.4	66.9				2
2	Nate Thurmond N. Thurmond	31	4/14/1967	1966-67	NBA Finals	SFW	@	PHI	53	24	3			10	20	50.0				4	5	80.0	54.1				3
3	Bill Russell B. Russell	31	4/2/1961	1960-61	NBA Finals	BOS	vs	STL	41	15	4			7	19	36.8				1	4	25.0	36.1				2
4	Bill Russell B. Russell	29	4/14/1963	1962-63	NBA Finals	BOS	vs	LAL	47	25	3			10	19	52.6				5	8	62.5	55.5				3
5	Bill Russell B. Russell	29	3/29/1958	1957-58	NBA Finals	BOS	vs	STL	40	14				4	15	26.7				6	13	46.2	33.8				4
6	Bill Russell B. Russell	28	4/18/1965	1964-65	NBA Finals	BOS	vs	LAL	38	18	6			7	13	53.8				4	10	40.0	51.7				4
7	Bill Russell B. Russell	28	4/7/1962	1961-62	NBA Finals	BOS	vs	LAL	45	15	6			6	14	42.9				3	3	100.0	49.0				4
8	Bill Russell B. Russell	28	4/4/1959	1958-59	NBA Finals	BOS	vs	MIN	43	5	7			2	11	18.2				1	3	33.3	20.3				3
9	Bill Russell B. Russell	27	4/23/1969	1968-69	NBA Finals	BOS	@	LAL	48	16	5			6	12	50.0				4	5	80.0	56.3				4
10	Bill Russell B. Russell	26	4/17/1966	1965-66	NBA Finals	BOS	vs	LAL	53	28	5			12	18	66.7				4	7	57.1	66.4				4
11	Bill Russell B. Russell	25	4/21/1968	1967-68	NBA Finals	BOS	vs	LAL	48	19	3			5	16	31.3				9	14	64.3	42.9				4
12	Bill Russell B. Russell	25	4/18/1964	1963-64	NBA Finals	BOS	vs	SFW	32	9	4			3	8	37.5				3	6	50.0	42.3				5
13	Wilt Chamberlain W. Chamberlain	24	4/24/1970	1969-70	NBA Finals	LAL	@	NYK	48	17	5			8	14	57.1				1	10	10.0	46.2				2
14	Wilt Chamberlain W. Chamberlain	23	4/23/1969	1968-69	NBA Finals	LAL	vs	BOS	48	15	4			6	11	54.5				3	9	33.3	50.1				4
15	Wilt Chamberlain W. Chamberlain	23	4/18/1964	1963-64	NBA Finals	SFW	@	BOS	44	22	1			9	20	45.0				4	12	33.3	43.5				4
16	Kevin Love K. Love	21	6/1/2017	2016-17	NBA Finals	CLE	@	GSW	34	15	1	0	3	4	13	30.8	3	6	50.0	4	4	100.0	50.8	5	16	1	4	-11
17	Larry Bird L. Bird	21	5/5/1981	1980-81	NBA Finals	BOS	vs	HOU	44	18	9	1	0	9	17	52.9	0	0		0	0		52.9	7	14	5	1
18	Dave Cowens D. Cowens	21	5/23/1976	1975-76	NBA Finals	BOS	vs	PHX	48	25	10	1	0	11	20	55.0				3	4	75.0	57.4	3	18		3
19	Tim Duncan T. Duncan	20	6/4/2003	2002-03	NBA Finals	SAS	vs	NJN	44	32	6	3	7	11	17	64.7	0	0		10	14	71.4	69.1	3	17	1	1	+10
20	Shaquille O'Neal S. O'Neal	20	6/6/2001	2000-01	NBA Finals	LAL	vs	PHI	52	44	5	1	0	17	28	60.7	0	0		10	22	45.5	58.4	6	14	4	3	-6
21	Bill Walton B. Walton	20	5/22/1977	1976-77	NBA Finals	POR	@	PHI	43	28	3	2	2	11	17	64.7				6	7	85.7	69.7	3	17		3
22	Wilt Chamberlain W. Chamberlain	20	5/1/1973	1972-73	NBA Finals	LAL	vs	NYK	48	12	6			5	11	45.5				2	4	50.0	47.0				3
23	Elgin Baylor E. Baylor	20	4/24/1970	1969-70	NBA Finals	LAL	@	NYK	39	21	3			10	17	58.8				1	2	50.0	58.7				4
24	Elgin Baylor E. Baylor	20	4/17/1966	1965-66	NBA Finals	LAL	@	BOS	47	36	2			13	28	46.4				10	13	76.9	53.4				4
25	Deandre Ayton D. Ayton	19	7/6/2021	2020-21	NBA Finals	PHX	vs	MIL	39	22	0	1	0	8	10	80.0	0	0		6	6	100.0	87.0	2	17	0	3	+13