Luka Doncic is the youngest in a game with 30+ points and 1+ triple-double. He was 19 years and 333 days old against the Raptors on January 27, 2019.

who is the youngest player with at least 30 points and one or more triple double in a game

Interpreted as:

Who is the youngest player with at least 30 points and one or more triple double in a regular-season game?

NAME	AGE	PTS	TD3	DATE	TM		OPP	MIN	REB	AST	STL	BLK	TOV	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	PF	+/-
Luka Doncic	19-333	35	1	1/27/2019	DAL	vs	TOR	36	12	10	0	0	3	14	24	58.3	3	9	33.3	4	6	66.7	3	-2
LeBron James	20-100	40	1	4/9/2005	CLE	vs	MIL	47	10	10	2	1	3	15	26	57.7	7	13	53.8	3	3	100.0	2	+13
Luka Doncic	20-246	31	1	11/1/2019	DAL	vs	LAL	38	13	15	0	1	6	10	23	43.5	4	9	44.4	7	8	87.5	3	-4
Luka Doncic	20-253	38	1	11/8/2019	DAL	vs	NYK	35	14	10	0	0	8	13	26	50.0	3	11	27.3	9	9	100.0	5	-5
Luka Doncic	20-259	33	1	11/14/2019	DAL	@	NYK	36	10	11	3	1	3	10	23	43.5	3	12	25.0	10	13	76.9	1	-3
Luka Doncic	20-263	42	1	11/18/2019	DAL	vs	SAS	35	11	12	0	0	5	14	27	51.9	5	13	38.5	9	13	69.2	5	+11
Luka Doncic	20-265	35	1	11/20/2019	DAL	vs	GSW	26	10	11	4	0	5	11	18	61.1	6	10	60.0	7	8	87.5	3	+45
Luka Doncic	20-287	41	1	12/12/2019	DAL	@	DET	34	12	11	0	0	3	14	24	58.3	6	13	46.2	7	12	58.3	2	+29
Luka Doncic	20-303	31	1	12/28/2019	DAL	@	GSW	30	12	15	2	0	3	8	16	50.0	5	8	62.5	10	10	100.0	0	+20
Luka Doncic	20-310	39	1	1/4/2020	DAL	vs	CHA	43	12	10	2	0	5	14	32	43.8	5	15	33.3	6	6	100.0	4	-5
Luka Doncic	20-312	38	1	1/6/2020	DAL	vs	CHI	34	11	10	0	1	3	14	24	58.3	5	10	50.0	5	9	55.6	2	+8
De'Aaron Fox	20-316	31	1	11/1/2018	SAC	@	ATL	34	10	15	1	0	3	9	13	69.2	3	4	75.0	10	11	90.9	3	+34
LeBron James	20-324	36	1	11/19/2005	CLE	@	PHI	47	11	10	1	1	5	14	24	58.3	0	2	0.0	8	10	80.0	1	+8
Luka Doncic	21-005	30	1	3/4/2020	DAL	vs	NOP	41	17	10	1	1	7	9	20	45.0	4	11	36.4	8	13	61.5	2	-5
LeBron James	21-005	32	1	1/4/2006	CLE	@	MIL	46	11	11	5	1	4	12	29	41.4	2	8	25.0	6	7	85.7	1	+8
LeBron James	21-047	43	1	2/15/2006	CLE	@	BOS	54	12	11	2	4	2	16	32	50.0	0	5	0.0	11	15	73.3	5	+5
Paolo Banchero	21-054	32	1	1/5/2024	ORL	@	DEN	41	10	11	3	0	5	8	21	38.1	1	4	25.0	15	19	78.9	2	+2
Trae Young	21-065	30	1	11/23/2019	ATL	vs	TOR	41	10	10	1	0	3	11	23	47.8	4	11	36.4	4	4	100.0	1	-4
LeBron James	21-082	37	1	3/22/2006	CLE	vs	CHA	50	11	12	0	1	5	10	21	47.6	1	5	20.0	16	23	69.6	4	+5
Trae Young	21-111	42	1	1/8/2020	ATL	vs	HOU	39	13	10	0	1	3	11	30	36.7	4	11	36.4	16	18	88.9	1	+4
Luka Doncic	21-158	34	1	8/4/2020	DAL	@	SAC	44	20	12	0	2	6	12	24	50.0	2	6	33.3	8	11	72.7	3	+3
Luka Doncic	21-162	36	1	8/8/2020	DAL	vs	MIL	42	14	19	1	0	2	12	24	50.0	3	9	33.3	9	10	90.0	1	+12
Magic Johnson	21-226	41	1	3/28/1981	LAL	@	UTA	44	12	11	1	0	5	17	23	73.9	0	0		7	10	70.0	2
Magic Johnson	21-227	33	1	3/29/1981	LAL	vs	DEN	47	15	17	6	1	8	14	26	53.8	0	1	0.0	5	8	62.5	5
Isiah Thomas	21-284	46	1	2/8/1983	DET	@	SAS	46	10	11	4	0	1	14	24	58.3	3	5	60.0	15	18	83.3	2