Jayson Williams has grabbed the most offensive rebounds in a game with exactly 20 rebounds, with 17 rebounds versus the Pacers on October 31, 1997.

Interpreted as:

most oreb by a player in a regular-season game with exactly 20 reb

	NAME	OREB	REB	DATE	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	DREB	TOV	PF	+/-
1	Jayson Williams J. Williams	17	20	10/31/1997	NJN	vs	IND	40	18	1	3	2	8	18	44.4	0	0		2	6	33.3	43.6	3	3	2	+1
2	Mitchell Robinson M. Robinson	14	20	4/9/2023	NYK	vs	IND	27	9	2	1	7	4	10	40.0	0	0		1	4	25.0	38.3	6	3	2	+18
3	Joakim Noah J. Noah	14	20	12/15/2009	CHI	vs	LAL	37	11	2	2	6	4	16	25.0	0	0		3	4	75.0	31.0	6	3	4	+4
4	Shaquille O'Neal S. O'Neal	14	20	11/9/1994	ORL	@	CHA	47	46	3	1	3	20	32	62.5	0	0		6	11	54.5	62.4	6	0	3
5	Andre Drummond A. Drummond	13	20	12/21/2014	DET	@	BKN	28	18	0	0	1	7	15	46.7	0	0		4	8	50.0	48.6	7	2	4	-4
6	Larry Smith L. Smith	13	20	2/14/1991	HOU	vs	WAS	42	6	2	1	1	3	5	60.0	0	0		0	0		60.0	7	3	4
7	Moses Malone M. Malone	13	20	1/14/1982	HOU	vs	POR	43	29	3	0	4	13	24	54.2	0	0		3	5	60.0	55.3	7	4	2
8	Moses Malone M. Malone	13	20	1/4/1980	HOU	@	NJN	36	39	1	2	2	15	25	60.0	0	0		9	16	56.3	60.9	7	4	1
9	JaVale McGee J. McGee	12	20	3/22/2019	LAL	vs	BKN	35	33	0	1	6	15	20	75.0	0	0		3	7	42.9	71.5	8	3	5	-5
10	Kenny Thomas K. Thomas	12	20	3/31/2003	PHI	@	ORL	43	24	0	0	0	10	16	62.5	0	0		4	5	80.0	65.9	8	3	3	+12
11	Shaquille O'Neal S. O'Neal	12	20	4/18/2000	LAL	@	DAL	43	38	3	0	2	15	25	60.0	0	0		8	19	42.1	57.0	8	5	3	-12
12	Jayson Williams J. Williams	12	20	12/20/1995	NJN	vs	MIA	27	19	0	0	2	7	17	41.2	0	0		5	10	50.0	44.4	8	2	1
13	Dennis Rodman D. Rodman	12	20	11/17/1993	SAS	vs	NYK	48	13	0	1	1	5	12	41.7	0	0		3	5	60.0	45.8	8	3	3
14	Jerome Lane J. Lane	12	20	4/8/1991	DEN	@	SEA	37	18	4	1	0	8	16	50.0	0	0		2	6	33.3	48.3	8	3	3
15	Sam Bowie S. Bowie	12	20	4/6/1990	NJN	vs	GSW	32	29	2	0	1	7	26	26.9	1	4	25.0	14	18	77.8	42.7	8	1	1
16	Larry Smith L. Smith	12	20	3/4/1985	GSW	vs	CLE	42	16	1	2	2	5	12	41.7	0	0		6	10	60.0	48.8	8	3	5
17	Tom Burleson T. Burleson	12	20	2/7/1976	SEA	@	GSW	35	26	5	0	0	11	20	55.0				4	4	100.0	59.7	8		3
18	Clifford Ray C. Ray	12	20	12/18/1973	CHI	vs	SEA	43	11	8	1	4	5	11	45.5				1	4	25.0	43.1	8		5
19	Mitchell Robinson M. Robinson	11	20	11/30/2022	NYK	vs	MIL	33	15	1	0	1	7	9	77.8	0	0		1	2	50.0	75.9	9	0	2	+4
20	Jonas Valančiūnas J. Valančiūnas	11	20	3/30/2019	MEM	@	PHX	34	34	5	2	2	16	28	57.1	0	1	0.0	2	2	100.0	58.9	9	3	3	+2
21	Kenneth Faried K. Faried	11	20	3/6/2016	DEN	vs	DAL	36	25	1	1	1	11	18	61.1	0	0		3	6	50.0	60.6	9	0	2	+17
22	Kenneth Faried K. Faried	11	20	11/15/2012	DEN	vs	MIA	36	16	0	2	1	5	16	31.3	0	0		6	10	60.0	39.2	9	3	1	-8
23	Ryan Anderson R. Anderson	11	20	1/30/2012	ORL	@	PHI	27	14	0	0	0	6	13	46.2	0	4	0.0	2	4	50.0	47.4	9	1	2	+5
24	JJ Hickson	11	20	1/22/2011	CLE	@	CHI	33	13	1	1	1	5	19	26.3	0	0		3	6	50.0	30.0	9	2	1	-27
25	Zach Randolph Z. Randolph	11	20	12/11/2009	MEM	vs	OKC	40	19	1	0	0	8	21	38.1	0	1	0.0	3	5	60.0	40.9	9	2	1	+3