49 players are tied for the fewest games by a rookie with 40+ points, with 1 game. The first three are GG Jackson II and Victor Wembanyama in 2023-24 and Kenneth Lofton Jr. in 2022-23.

Interpreted as:

fastest 40 or more point regular-season game for a rookie

	NAME	GP	PTS	SEASON	TM	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	GG Jackson II	1	44	2023-24	MEM	44.1	44.0	12.0	1.0	2.0	1.0	17.0	36.0	47.2	4.0	13.0	30.8	6.0	7.0	85.7	56.3	6.0	6.0	3.0	44	12	1	2	1	3	1	-13
2	Victor Wembanyama V. Wembanyama	1	40	2023-24	SAS	37.7	40.0	20.0	7.0	2.0	1.0	13.0	22.0	59.1	4.0	9.0	44.4	10.0	12.0	83.3	73.3	5.0	15.0	4.0	38	20	7	2	1	4	2	+1
3	Kenneth Lofton Jr. K. Lofton Jr.	1	42	2022-23	MEM	40.4	42.0	14.0	0.0	1.0	0.0	17.0	25.0	68.0	0.0	2.0	0.0	8.0	12.0	66.7	69.4	6.0	8.0	2.0	40	14	0	1	0	2	3	-17
4	Jalen Green J. Green	1	41	2021-22	HOU	39.5	41.0	1.0	3.0	1.0	0.0	14.0	26.0	53.8	4.0	11.0	36.4	9.0	11.0	81.8	66.5	0.0	1.0	0.0	40	1	3	1	0	0	1	0
5	Grayson Allen G. Allen	1	40	2018-19	UTA	40.7	40.0	7.0	4.0	1.0	1.0	11.0	30.0	36.7	5.0	13.0	38.5	13.0	14.0	92.9	55.3	2.0	5.0	3.0	41	7	4	1	1	3	1	-3
6	Trae Young T. Young	1	49	2018-19	ATL	55.8	49.0	8.0	16.0	1.0	1.0	17.0	33.0	51.5	6.0	13.0	46.2	9.0	11.0	81.8	64.7	1.0	7.0	9.0	56	8	16	1	1	9	2	-9
7	Stephen Curry S. Curry	1	42	2009-10	GSW	48.0	42.0	9.0	8.0	2.0	1.0	13.0	25.0	52.0	4.0	6.0	66.7	12.0	12.0	100.0	69.4	3.0	6.0	2.0	48	9	8	2	1	2	0	+6
8	Rodrigue Beaubois R. Beaubois	1	40	2009-10	DAL	29.9	40.0	8.0	3.0	0.0	3.0	15.0	22.0	68.2	9.0	11.0	81.8	1.0	1.0	100.0	89.1	0.0	8.0	1.0	30	8	3	0	3	1	2	+21
9	Brandon Jennings B. Jennings	1	55	2009-10	MIL	40.7	55.0	5.0	5.0	0.0	0.0	21.0	34.0	61.8	7.0	8.0	87.5	6.0	8.0	75.0	73.3	1.0	4.0	4.0	41	5	5	0	0	4	1	+11
10	Eric Gordon E. Gordon	1	41	2008-09	LAC	43.6	41.0	2.0	4.0	1.0	0.0	12.0	19.0	63.2	5.0	7.0	71.4	12.0	14.0	85.7	81.5	0.0	2.0	2.0	44	2	4	1	0	2	4	0
11	Kevin Durant K. Durant	1	42	2007-08	SEA	42.6	42.0	13.0	6.0	1.0	2.0	18.0	25.0	72.0	1.0	2.0	50.0	5.0	6.0	83.3	76.0	3.0	10.0	5.0	43	13	6	1	2	5	0	+14
12	Charlie Villanueva C. Villanueva	1	48	2005-06	TOR	46.0	48.0	9.0	3.0	1.0	0.0	20.0	32.0	62.5	6.0	11.0	54.5	2.0	3.0	66.7	72.0	4.0	5.0	3.0	46	9	3	1	0	3	4	-6
13	Carmelo Anthony C. Anthony	1	41	2003-04	DEN	44.0	41.0	5.0	0.0	2.0	1.0	19.0	29.0	65.5	2.0	3.0	66.7	1.0	1.0	100.0	69.6	0.0	5.0	4.0	44	5	0	2	1	4	5	+3
14	LeBron James L. James	1	41	2003-04	CLE	43.0	41.0	6.0	13.0	3.0	0.0	15.0	29.0	51.7	1.0	2.0	50.0	10.0	10.0	100.0	61.4	2.0	4.0	2.0	43	6	13	3	0	2	1	+10
15	Jason Richardson J. Richardson	1	40	2001-02	GSW	41.0	40.0	2.0	2.0	3.0	0.0	18.0	28.0	64.3	2.0	5.0	40.0	2.0	2.0	100.0	69.3	1.0	1.0	3.0	41	2	2	3	0	3	6	-5
16	Elton Brand E. Brand	1	44	1999-00	CHI	43.0	44.0	12.0	2.0	0.0	3.0	16.0	21.0	76.2	0.0	0.0		12.0	15.0	80.0	79.7	7.0	5.0	1.0	43	12	2	0	3	1	2	-11
17	Kerry Kittles K. Kittles	1	40	1996-97	NJN	45.0	40.0	5.0	5.0	3.0	0.0	14.0	21.0	66.7	5.0	8.0	62.5	7.0	7.0	100.0	83.1	2.0	3.0	3.0	45	5	5	3	0	3	2	0
18	Shaquille O'Neal S. O'Neal	1	46	1992-93	ORL	49.0	46.0	21.0	3.0	0.0	5.0	19.0	25.0	76.0	0.0	0.0		8.0	16.0	50.0	71.8	3.0	18.0	6.0	49	21	3	0	5	6	5
19	Walt Williams W. Williams	1	40	1992-93	SAC	30.0	40.0	6.0	3.0	4.0	4.0	12.0	21.0	57.1	4.0	8.0	50.0	12.0	14.0	85.7	73.6	1.0	5.0	3.0	30	6	3	4	4	3	3
20	Lionel Simmons L. Simmons	1	42	1990-91	SAC	39.0	42.0	12.0	3.0	1.0	0.0	16.0	31.0	51.6	0.0	0.0		10.0	12.0	83.3	57.9	3.0	9.0	3.0	39	12	3	1	0	3	4
21	Dennis Scott D. Scott	1	40	1990-91	ORL	32.0	40.0	3.0	3.0	0.0	1.0	16.0	22.0	72.7	4.0	5.0	80.0	4.0	4.0	100.0	84.2	0.0	3.0	3.0	32	3	3	0	1	3	3
22	Derrick Coleman D. Coleman	1	42	1990-91	NJN	43.0	42.0	14.0	4.0	4.0	2.0	14.0	23.0	60.9	0.0	0.0		14.0	20.0	70.0	66.0	5.0	9.0	2.0	43	14	4	4	2	2	2
23	David Robinson D. Robinson	1	41	1989-90	SAS	41.0	41.0	17.0	2.0	3.0	5.0	12.0	21.0	57.1	0.0	0.0		17.0	22.0	77.3	66.8	5.0	12.0	4.0	41	17	2	3	5	4	5
24	Mitch Richmond M. Richmond	1	47	1988-89	GSW	37.0	47.0	9.0	2.0	2.0	0.0	17.0	24.0	70.8	0.0	1.0	0.0	13.0	19.0	68.4	72.6	2.0	7.0	3.0	37	9	2	2	0	3	3
25	Chuck Person C. Person	1	42	1986-87	IND	38.0	42.0	9.0	2.0	2.0	0.0	18.0	23.0	78.3	6.0	6.0	100.0	0.0	0.0		91.3	0.0	9.0	2.0	38	9	2	2	0	2	4