most 30 point games by a player under the age of 21 by a guard

Luka Dončić has the most games by a guard younger than 21 with 30+ points, with 29 games.

Interpreted as:

most 30 or more point regular-season games by a player under the age of 21 by a guard

	NAME	GP	PTS	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	REB	AST	STL	BLK	TOV	PF	+/-
1	Luka Dončić L. Dončić	29	1,005	34.3	34.7	9.8	8.7	1.2	0.3	11.3	22.1	51.3	4.2	10.2	41.2	7.8	10.3	75.9	65.1	1.4	8.3	3.9	996	284	251	34	10	113	72	+218
2	Devin Booker D. Booker	21	748	39.1	35.6	3.3	4.0	0.8	0.2	12.1	23.9	50.6	3.6	7.3	49.0	7.9	9.0	86.8	63.9	0.5	2.8	3.6	820	69	85	16	4	76	77	-65
3	Jalen Green J. Green	18	603	37.3	33.5	3.9	3.4	0.6	0.4	11.7	21.9	53.4	4.7	10.0	46.7	5.4	6.8	79.5	67.2	0.4	3.5	2.6	671	70	61	11	7	47	34	-16
4	Anthony Edwards A. Edwards	13	487	38.2	37.5	5.7	4.4	1.6	0.8	13.3	24.3	54.7	5.8	12.2	47.8	5.0	6.6	75.6	68.8	0.8	4.9	2.8	497	74	57	21	11	36	30	+98
5	LeBron James L. James	13	445	44.5	34.2	7.2	6.5	1.7	0.7	12.8	24.6	51.9	1.8	4.1	45.3	6.8	8.1	84.8	60.8	1.7	5.5	3.9	578	93	84	22	9	51	15	+34
6	Kyrie Irving K. Irving	12	411	36.7	34.3	4.0	4.8	2.4	0.3	12.2	21.7	56.2	2.7	5.2	51.6	7.3	7.7	94.6	68.4	0.8	3.3	3.4	440	48	58	29	4	41	30	+17
7	LaMelo Ball L. Ball	11	360	36.3	32.7	7.1	7.8	2.5	0.5	11.6	21.9	53.1	5.6	10.2	55.4	3.8	4.7	80.8	68.2	2.0	5.1	3.1	400	78	86	28	5	34	37	+21
8	Trae Young T. Young	9	314	38.1	34.9	4.2	10.9	0.6	0.3	12.0	22.3	53.7	4.6	9.9	46.1	6.3	7.0	90.5	68.6	0.7	3.6	3.8	343	38	98	5	3	34	23	+62
9	Jamal Murray J. Murray	8	255	35.8	31.9	4.4	3.6	0.8	0.4	11.8	19.0	61.8	3.9	7.0	55.4	4.5	4.9	92.3	75.4	1.0	3.4	1.6	287	35	29	6	3	13	25	+66
10	Russell Westbrook R. Westbrook	7	222	39.4	31.7	5.4	6.4	1.1	0.0	11.1	21.7	51.3	1.3	3.3	39.1	8.1	9.4	86.4	61.3	3.0	2.4	4.3	276	38	45	8	0	30	15	-44
11	Kevin Durant K. Durant	7	241	41.3	34.4	7.3	3.4	1.3	1.6	12.4	22.0	56.5	1.4	3.6	40.0	8.1	9.3	87.7	66.0	1.4	5.9	4.3	289	51	24	9	11	30	15	+26
12	Stephon Marbury S. Marbury	6	202	40.3	33.7	3.3	9.5	1.2	0.3	11.2	20.2	55.4	4.0	6.2	64.9	7.3	10.8	67.7	67.5	1.0	2.3	3.2	242	20	57	7	2	19	24	+34
13	Coby White C. White	5	167	34.9	33.4	4.2	4.2	0.6	0.2	12.0	20.8	57.7	6.0	11.4	52.6	3.4	3.6	94.4	74.6	0.4	3.8	2.6	174	21	21	3	1	13	13	+31
14	Eric Gordon E. Gordon	5	169	44.4	33.8	2.4	4.8	0.8	0.6	10.4	18.4	56.5	3.2	5.6	57.1	9.8	11.4	86.0	72.2	0.2	2.2	2.4	222	12	24	4	3	12	14	+10
15	Scoot Henderson S. Henderson	4	132	37.4	33.0	5.3	6.0	1.5	0.3	10.5	21.8	48.3	5.3	8.3	63.6	6.8	8.5	79.4	64.7	2.5	2.8	2.5	149	21	24	6	1	10	13	-25
16	Keyonte George K. George	4	127	38.8	31.8	2.5	6.5	1.3	0.3	10.3	20.0	51.3	6.5	12.8	51.0	4.8	5.8	82.6	70.5	0.0	2.5	3.0	155	10	26	5	1	12	7	+3
17	Andrew Wiggins A. Wiggins	4	125	41.3	31.3	5.0	2.5	1.5	1.0	11.5	20.8	55.4	2.3	3.5	64.3	6.0	7.3	82.8	65.3	1.8	3.3	2.8	165	20	10	6	4	11	8	-11
18	Tyreke Evans T. Evans	4	128	40.3	32.0	4.5	6.5	2.0	1.0	10.3	18.0	56.9	1.3	3.3	38.5	10.3	12.8	80.4	67.8	1.0	3.5	2.8	161	18	26	8	4	11	14	+4
19	Kobe Bryant K. Bryant	4	133	37.0	33.3	3.5	3.5	1.0	1.3	12.5	21.0	59.5	2.0	3.5	57.1	6.3	8.0	78.1	67.8	0.8	2.8	2.5	148	14	14	4	5	10	10	+32
20	Isiah Thomas I. Thomas	4	127	39.8	31.8	2.8	9.3		0.8	12.0	17.8	67.6	0.8			7.0	11.3	62.2	69.9				159	11	37		3		11
21	Magic Johnson M. Johnson	4	122	41.0	30.5	10.5	7.0	1.8	1.3	11.8	18.8	62.7	0.0	0.3	0.0	7.0	8.5	82.4	67.8	2.5	8.0	3.8	164	42	28	7	5	15	13
22	Gradey Dick G. Dick	3	93	35.1	31.0	4.7	2.3	1.7	0.0	10.3	21.0	49.2	3.7	9.0	40.7	6.7	8.0	83.3	63.2	1.3	3.3	2.3	105	14	7	5	0	7	9	+6
23	Tyler Herro T. Herro	3	95	38.3	31.7	7.3	2.7	0.3	0.7	11.0	20.7	53.2	2.3	6.7	35.0	7.3	8.3	88.0	65.1	0.0	7.3	3.3	115	22	8	1	2	10	5	-27
24	D'Angelo Russell D. Russell	3	103	32.8	34.3	5.3	3.0	1.7	0.0	11.3	19.0	59.6	6.0	10.3	58.1	5.7	7.3	77.3	77.2	0.7	4.7	2.7	98	16	9	5	0	8	6	+23
25	Brandon Jennings B. Jennings	3	122	41.2	40.7	4.7	7.3	0.7	0.0	14.7	27.0	54.3	5.7	7.7	73.9	5.7	6.7	85.0	67.9	0.7	4.0	4.0	124	14	22	2	0	12	6	+33