the most 30 point games from 21 and under guards in nba history:

Michael Jordan had the most games by a guard with 30+ points, with 537 games.

Interpreted as:

The most 30 or more point regular-season games from 21 and under guards in NBA History:

	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	Michael Jordan M. Jordan	537	20,156	40.2	37.5	6.6	5.3	2.6	1.0	13.9	26.2	53.3	0.7	2.0	36.6	8.9	10.5	85.2	61.0	1.8	4.8	2.8	21,604	3,521	2,871	1,423	524	1,526	1,492	+712
2	Kobe Bryant K. Bryant	425	15,680	41.1	36.9	6.1	4.8	1.6	0.5	12.7	25.8	49.5	2.1	5.4	39.6	9.2	10.8	85.4	60.4	1.3	4.8	3.3	17,472	2,589	2,032	694	215	1,402	1,146	+2263
3	Oscar Robertson O. Robertson	387	13,811		35.7					12.6						10.4	12.3	85.3
4	Jerry West J. West	350	12,589		36.0					12.9						10.2	12.1	83.7
5	Allen Iverson A. Iverson	345	12,550	43.9	36.4	4.2	6.3	2.4	0.2	12.6	26.5	47.6	1.7	4.5	37.6	9.4	11.7	80.7	57.4	0.9	3.3	3.7	15,155	1,442	2,170	842	56	1,293	654	+1282
6	James Harden J. Harden	330	12,385	38.2	37.5	6.7	8.1	1.8	0.7	11.1	22.5	49.2	4.5	10.6	42.1	10.9	12.5	87.4	67.0	1.0	5.8	4.5	12,619	2,221	2,666	589	223	1,501	920	+2365
7	Stephen Curry S. Curry	311	11,287	36.2	36.3	5.2	6.2	1.5	0.3	12.2	22.5	54.1	6.4	12.6	50.4	5.6	6.1	92.0	72.1	0.7	4.5	3.4	11,252	1,613	1,920	481	85	1,054	652	+2934
8	George Gervin G. Gervin	280	10,189	37.5	36.4	4.9	2.8	1.3	0.9	14.2	25.5	55.7	0.3	0.7	38.6	7.8	9.1	85.6	61.7				10,491	1,381	787	376	244		782
9	Damian Lillard D. Lillard	265	9,572	37.6	36.1	4.5	7.0	1.0	0.3	11.5	22.4	51.2	4.9	10.8	45.0	8.3	9.1	91.8	68.4	0.6	3.9	2.9	9,974	1,202	1,855	274	79	776	512	+1324
10	Russell Westbrook R. Westbrook	228	8,123	38.1	35.6	8.4	8.6	1.8	0.4	12.7	25.4	50.0	1.9	5.2	36.7	8.3	10.2	81.4	59.5	1.8	6.6	4.5	8,680	1,914	1,962	405	81	1,020	601	+937
11	Dwyane Wade D. Wade	220	7,633	39.5	34.7	5.6	6.4	1.9	1.2	12.1	22.1	55.0	1.0	2.6	37.6	9.4	11.7	80.5	63.7	1.5	4.2	3.5	8,697	1,241	1,417	419	253	763	548	+1326
12	Devin Booker D. Booker	211	7,564	37.3	35.8	4.6	5.6	0.9	0.3	12.6	23.5	53.7	3.3	7.6	43.6	7.3	8.2	88.6	66.0	0.7	3.9	3.1	7,871	970	1,174	193	68	661	643	+823
13	Pete Maravich P. Maravich	211	7,472		35.4					13.7			1.0	1.0	100.0	8.0	9.5	84.3
14	Luka Dončić L. Dončić	207	7,512	37.0	36.3	9.4	8.9	1.4	0.5	12.3	23.8	51.8	4.1	10.0	41.2	7.6	9.8	77.3	64.7	1.1	8.3	4.0	7,650	1,940	1,846	293	106	831	507	+1048
15	DeMar DeRozan D. DeRozan	181	6,274	38.7	34.7	5.2	4.3	1.2	0.3	12.3	22.9	53.8	1.0	2.6	40.0	9.0	10.4	86.3	63.1	0.8	4.4	2.1	7,013	943	781	210	61	388	422	+639
16	Shai Gilgeous-Alexander S. Gilgeous-Alexander	178	6,186	35.6	34.8	5.3	6.2	1.8	1.0	12.0	21.8	55.1	1.7	4.1	41.3	9.1	10.2	88.3	66.1	0.8	4.5	2.5	6,330	948	1,096	319	176	442	470	+1376
17	Kyrie Irving K. Irving	176	6,319	37.8	35.9	4.6	5.9	1.4	0.5	12.9	23.4	55.0	4.2	8.5	48.6	6.0	6.5	91.5	68.2	0.9	3.6	2.7	6,660	801	1,035	255	96	474	422	+693
18	Tracy McGrady T. McGrady	167	6,032	40.9	36.1	7.0	5.6	1.6	0.8	12.9	26.5	48.6	2.5	6.1	41.2	7.9	10.0	78.8	58.5	1.8	5.2	2.7	6,833	1,167	929	274	140	451	328	+787
19	World B. Free W. B. Free	166	5,700	39.1	34.3	3.7	4.7			12.6	23.5	53.5	0.6	1.4	47.5	8.7	11.0	78.6	60.5				6,492	622	776				526
20	Trae Young T. Young	164	5,828	36.8	35.5	3.8	10.1	1.1	0.2	11.2	22.7	49.5	4.1	9.6	42.7	9.0	10.2	88.2	65.4	0.7	3.1	4.4	6,041	629	1,659	177	30	724	299	+777
21	Donovan Mitchell D. Mitchell	157	5,536	36.4	35.3	4.8	5.0	1.4	0.4	12.4	24.1	51.4	4.2	10.1	42.3	6.3	7.4	84.9	64.5	1.0	3.8	3.0	5,714	755	788	213	58	477	410	+846
22	Nate Archibald N. Archibald	151	5,444		36.1	2.9				13.2	25.4	51.9				9.7	11.5	84.7	59.3					442
23	Clyde Drexler C. Drexler	148	5,145	40.3	34.8	7.6	6.0	2.5	0.8	13.1	22.5	58.4	1.4	3.0	45.7	7.2	8.7	82.3	66.1	3.2	4.4	2.8	5,966	1,124	888	374	117	413	489	+92
24	Bradley Beal B. Beal	147	5,242	38.3	35.7	4.9	5.2	1.2	0.4	12.9	23.7	54.4	3.5	7.8	44.5	6.3	7.4	85.6	66.0	1.1	3.8	3.0	5,634	719	761	183	65	437	360	+292
25	Mitch Richmond M. Richmond	146	4,855	41.5	33.3	4.8	4.4	1.6	0.3	11.7	21.8	53.8	2.5	5.0	49.6	7.3	8.4	86.8	65.2	1.2	3.6	3.2	6,063	701	647	235	51	464	419	+25