youngest player with at least 21 rebounds and 3 assists and 1 block in a game

Isaiah Stewart is the youngest in a game with 3+ assists, 21+ rebounds and 1+ block. He was 19 years and 329 days old against the Thunder on April 16, 2021.

Interpreted as:

youngest player with at least 21 rebounds and 3 or more assists and 1 or more block in a regular-season game

	NAME	AGE	REB	AST	BLK	DATE	TM		OPP	MIN	PTS	STL	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Isaiah Stewart I. Stewart	19-329	21	3	2	4/16/2021	DET	vs	OKC	32	15	0	7	12	58.3	0	1	0.0	1	2	50.0	58.2	9	12	1	4	+20
2	Dwight Howard D. Howard	20-043	21	5	2	1/20/2006	ORL	@	CHA	40	19	3	6	10	60.0	0	0		7	8	87.5	70.3	7	14	5	5	+3
3	Jalen Duren J. Duren	20-071	21	6	1	1/28/2024	DET	vs	OKC	31	22	0	9	13	69.2	0	0		4	5	80.0	72.4	9	12	1	2	+1
4	Karl-Anthony Towns K. Towns	20-140	21	9	3	4/3/2016	MIN	vs	DAL	44	11	1	5	13	38.5	0	3	0.0	1	1	100.0	40.9	3	18	6	3	-4
5	Alperen Sengun A. Sengun	20-256	21	3	1	4/7/2023	HOU	@	CHA	32	14	2	4	9	44.4	1	1	100.0	5	6	83.3	60.1	5	16	4	4	+5
6	Shaquille O'Neal S. O'Neal	20-347	21	3	5	2/16/1993	ORL	@	DET	49	46	0	19	25	76.0	0	0		8	16	50.0	71.8	3	18	6	5
7	Victor Wembanyama V. Wembanyama	21	23	3	4	1/4/2025	SAS	vs	DEN	39	20	1	7	19	36.8	2	12	16.7	4	4	100.0	48.2	0	23	4	4	0
8	Jalen Duren J. Duren	21	22	3	2	11/18/2024	DET	vs	CHI	30	15	0	7	13	53.8	0	0		1	2	50.0	54.0	12	10	0	3	-7
9	Chris Bosh C. Bosh	21-001	22	3	2	3/25/2005	TOR	@	PHI	44	24	1	9	18	50.0	0	0		6	9	66.7	54.6	4	18	3	0	-6
10	Anthony Davis A. Davis	21-005	21	3	3	3/16/2014	NOP	vs	BOS	48	40	1	14	22	63.6	0	0		12	12	100.0	73.3	5	16	1	2	+10
11	Shaquille O'Neal S. O'Neal	21-045	25	6	4	4/20/1993	ORL	vs	WAS	41	20	0	8	13	61.5	0	0		4	8	50.0	60.5	7	18	6	3
12	Karl-Anthony Towns K. Towns	21-102	22	3	1	2/25/2017	MIN	@	HOU	37	37	1	16	24	66.7	1	2	50.0	4	4	100.0	71.8	9	13	4	2	-1
13	Karl-Anthony Towns K. Towns	21-145	21	4	1	4/9/2017	MIN	@	LAL	41	40	1	17	22	77.3	1	2	50.0	5	8	62.5	78.4	3	18	3	3	+6
14	Walker Kessler W. Kessler	21-174	21	4	2	1/16/2023	UTA	@	MIN	31	20	0	9	13	69.2	0	0		2	4	50.0	67.8	9	12	1	1	0
15	John Collins J. Collins	21-199	25	6	1	4/10/2019	ATL	vs	IND	36	20	0	8	15	53.3	1	2	50.0	3	4	75.0	59.7	9	16	3	2	+9
16	Jarrett Allen J. Allen	21-218	21	3	2	11/25/2019	BKN	@	CLE	34	22	2	9	10	90.0	0	0		4	5	80.0	90.2	9	12	0	2	+7
17	Terry Cummings T. Cummings	21-239	24	3	1	11/9/1982	SDC	@	IND	40	32	2	15	21	71.4	0	0		2	4	50.0	70.3	9	15	3	4
18	Shaquille O'Neal S. O'Neal	21-259	28	3	15	11/20/1993	ORL	@	NJN	36	24	1	12	19	63.2	0	0		0	1	0.0	61.7	10	18	3	4
19	Elton Brand E. Brand	21-346	21	3	2	2/20/2001	CHI	vs	MIL	43	22	0	10	23	43.5	0	0		2	4	50.0	44.4	7	14	3	3	-9
20	Shaquille O'Neal S. O'Neal	21-346	24	4	4	2/15/1994	ORL	vs	BOS	43	36	2	14	27	51.9	0	0		8	20	40.0	50.3	14	10	4	2
21	Bill Walton B. Walton	21-347	24	5	4	10/18/1974	POR	vs	CLE	46	18	2	7	18	38.9				4	6	66.7	43.6	6	18		6
22	Moses Malone M. Malone	21-353	21	3	3	3/11/1977	HOU	@	IND	38	25	0	9	19	47.4				7	8	87.5	55.5	14	7		1
23	Dwight Howard D. Howard	21-360	23	3	7	12/3/2007	ORL	@	GSW	44	18	0	5	10	50.0	0	0		8	13	61.5	57.3	5	18	9	4	+4
24	Bill Walton B. Walton	21-363	21	4	4	11/3/1974	POR	vs	GSW	46	20	2	8	17	47.1				4	4	100.0	53.3	5	16		3
25	Moses Malone M. Malone	22-017	21	3	1	4/9/1977	HOU	vs	DEN	45	22	3	6	15	40.0				10	12	83.3	54.2	8	13		4