most rebounds by a player under age 20 in a game in nba history

Isaiah Stewart has gotten the most rebounds by a player younger than 20 in a game, with 21 rebounds versus the Thunder on April 16, 2021.

Interpreted as:

most rebounds by a player under age 20 in a regular-season game in NBA history

	NAME	REB	AGE	DATE	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Isaiah Stewart I. Stewart	21	19-329	4/16/2021	DET	vs	OKC	32	15	3	0	2	7	12	58.3	0	1	0.0	1	2	50.0	58.2	9	12	1	4	+20
2	Victor Wembanyama V. Wembanyama	20	19-338	12/8/2023	SAS	vs	CHI	32	21	4	1	4	8	20	40.0	0	4	0.0	5	6	83.3	46.4	7	13	1	2	-22
3	Dwight Howard D. Howard	20	19-342	11/15/2005	ORL	vs	CHA	36	21	1	1	1	7	11	63.6	0	0		7	10	70.0	68.2	8	12	1	3	+22
4	Dwight Howard D. Howard	20	19-091	3/9/2005	ORL	@	TOR	33	17	0	0	3	5	8	62.5	0	0		7	10	70.0	68.5	7	13	2	3	-7
5	Dwight Howard D. Howard	20	19-064	2/10/2005	ORL	vs	ATL	41	15	0	2	1	5	11	45.5	0	0		5	7	71.4	53.3	11	9	2	4	+8
6	Dwight Howard D. Howard	20	18-359	12/1/2004	ORL	vs	TOR	38	15	3	2	2	4	6	66.7	0	0		7	9	77.8	75.3	6	14	1	2	+33
7	Dominick Barlow D. Barlow	19	19-318	4/9/2023	SAS	@	DAL	34	21	1	1	1	8	11	72.7	0	0		5	7	71.4	74.6	6	13	0	5	+6
8	Jalen Duren J. Duren	19	19-026	12/14/2022	DET	@	CHA	36	7	2	0	3	2	8	25.0	0	0		3	4	75.0	35.9	6	13	3	4	+12
9	Dwight Howard D. Howard	19	19-356	11/29/2005	ORL	@	CHI	39	17	2	0	1	6	9	66.7	0	0		5	10	50.0	63.4	1	18	4	4	-10
10	Dwight Howard D. Howard	19	19-093	3/11/2005	ORL	vs	MIN	39	19	1	2	2	9	17	52.9	0	1	0.0	1	2	50.0	53.1	7	12	1	5	-2
11	Kevin Garnett K. Garnett	19	19-292	3/6/1996	MIN	@	PHI	38	14	3	1	4	7	16	43.8	0	1	0.0	0	0		43.8	6	13	1	2
12	Victor Wembanyama V. Wembanyama	18	19-341	12/11/2023	SAS	@	HOU	33	15	3	0	5	7	15	46.7	1	6	16.7	0	1	0.0	48.6	2	16	5	3	-12
13	Jalen Duren J. Duren	18	19-142	4/9/2023	DET	@	CHI	35	4	0	0	1	2	5	40.0	0	0		0	0		40.0	3	15	6	2	+3
14	Jalen Duren J. Duren	18	19-040	12/28/2022	DET	vs	ORL	34	7	4	0	1	3	5	60.0	0	0		1	2	50.0	59.5	8	10	2	5	+10
15	Josh Giddey J. Giddey	18	19-069	12/18/2021	OKC	vs	LAC	32	8	10	0	0	4	14	28.6	0	1	0.0	0	0		28.6	4	14	4	0	-7
16	Anthony Davis A. Davis	18	19-363	3/9/2013	NOH	@	MEM	38	20	2	0	0	9	20	45.0	0	0		2	2	100.0	47.9	4	14	2	2	-10
17	Andre Drummond A. Drummond	18	19-172	1/29/2013	DET	vs	MIL	28	18	1	2	1	9	15	60.0	0	0		0	1	0.0	58.3	9	9	0	3	-21
18	Dwight Howard D. Howard	18	19-352	11/25/2005	ORL	vs	POR	38	21	1	2	1	10	19	52.6	0	1	0.0	1	1	100.0	54.0	8	10	1	4	+6
19	Dwight Howard D. Howard	18	19-005	12/13/2004	ORL	@	PHX	39	7	2	1	1	2	10	20.0	0	0		3	3	100.0	30.9	3	15	0	2	-8
20	Bill Willoughby B. Willoughby	18	18-326	4/10/1976	ATL	vs	PHI	42	20	4	2	3	7	14	50.0				6	11	54.5	53.1				2
21	Jalen Duren J. Duren	17	19-343	10/27/2023	DET	@	CHA	35	14	3	1	2	7	8	87.5	0	0		0	0		87.5	6	11	5	3	+6
22	Jalen Duren J. Duren	17	19-084	2/10/2023	DET	vs	SAS	42	30	3	1	4	13	20	65.0	0	0		4	9	44.4	62.6	7	10	1	4	-10
23	Marvin Bagley III M. Bagley III	17	19-255	11/24/2018	SAC	@	GSW	34	20	2	0	0	7	15	46.7	0	0		6	8	75.0	54.0	7	10	0	1	+5
24	Dwight Howard D. Howard	17	19-360	12/3/2005	ORL	@	MIL	39	14	1	1	1	6	11	54.5	0	0		2	4	50.0	54.9	6	11	5	4	-11
25	Dwight Howard D. Howard	17	19-346	11/19/2005	ORL	vs	NOK	42	16	3	0	2	6	10	60.0	0	0		4	6	66.7	63.3	2	15	2	3	+1