Kevin Durant and Allen Iverson were tied for the most games by a 25-year-old player in the playoffs with 30+ points, with 11 games.

most 30 point games in the playoffs by players at age 25

Interpreted as:

most 30 or more point games in the playoffs by players at age 25

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	+/-
Kevin Durant	11	377	44.9	34.3	9.8	4.4	1.1	1.6	11.7	23.7	49.4	2.5	7.1	34.6	8.4	10.0	83.6	60.9	1.5	8.4	3.9	494	108	48	12	18	43	26	+80
Allen Iverson	11	454	46.6	41.3	4.3	5.5	2.8	0.2	14.6	33.0	44.4	3.4	6.9	48.7	8.6	10.2	84.8	55.1	0.8	3.5	3.1	513	47	61	31	2	34	25	+80
Luka Doncic	10	327	40.9	32.7	9.0	7.9	1.9	0.4	11.8	23.8	49.6	4.3	10.8	39.8	4.8	6.2	77.4	61.6	0.4	8.6	3.9	409	90	79	19	4	39	19	+64
Jayson Tatum	9	315	41.5	35.0	10.8	5.2	0.9	1.2	11.3	22.2	51.0	3.2	8.8	36.7	9.1	10.1	90.1	65.6	1.2	9.6	2.6	373	97	47	8	11	23	21	+44
Wilt Chamberlain	9	341	48.0	37.9	27.9	3.0			14.7	31.3	46.8				8.6	13.8	62.1	50.7				432	251	27				21
George Mikan	8	277		34.6					11.3						12.1	14.6	82.9											31
Gus Williams	7	232	38.6	33.1	4.4	3.7			12.7	24.3	52.4				7.7	10.9	71.1	57.0	2.7	1.7		270	31	26				8
Oscar Robertson	7	221		31.6	9.6	9.0			10.1	20.3	50.0				11.3	13.3	84.9	60.4					67	63				20
Shai Gilgeous-Alexander	6	197	40.9	32.8	7.0	6.7	1.3	2.0	12.7	23.3	54.3	2.0	3.5	57.1	5.5	6.5	84.6	62.7	0.8	6.2	2.0	245	42	40	8	12	12	19	+7
Russell Westbrook	6	203	43.3	33.8	8.3	8.2	3.2	0.3	10.5	24.8	42.3	2.0	6.8	29.3	10.8	12.3	87.8	55.9	2.8	5.5	4.3	260	50	49	19	2	26	21	+34
Tony Parker	6	195	39.9	32.5	3.5	7.7	1.2	0.0	12.5	23.8	52.4	0.3	1.3	25.0	7.2	9.0	79.6	58.5	0.3	3.2	2.5	239	21	46	7	0	15	10	+59
Kobe Bryant	6	204	44.3	34.0	6.3	5.7	2.0	0.3	11.7	24.2	48.3	1.7	5.5	30.3	9.0	10.2	88.5	59.4	0.8	5.5	2.5	266	38	34	12	2	15	17	+54
Michael Jordan	6	262	43.5	43.7	6.3	4.2	2.5	1.5	16.5	29.0	56.9	0.0	0.0		10.7	11.8	90.1	63.8	2.2	4.2	3.8	261	38	25	15	9	23	27
Elgin Baylor	6	230		38.3					14.2						10.0	12.2	82.2											24
Nikola Jokic	5	157	39.7	31.4	10.4	6.4	1.2	0.4	11.8	21.6	54.6	3.4	6.8	50.0	4.4	5.0	88.0	66.0	1.4	9.0	3.6	199	52	32	6	2	18	19	+12
James Harden	5	188	39.1	37.6	6.8	7.6	2.0	1.0	11.0	20.8	52.9	4.0	8.2	48.8	11.6	12.6	92.1	71.4	0.8	6.0	4.8	196	34	38	10	5	24	13	+58
LeBron James	5	189	40.8	37.8	9.0	8.2	1.8	2.0	13.4	22.4	59.8	3.4	6.0	56.7	7.6	9.8	77.6	70.8	1.4	7.6	2.4	204	45	41	9	10	12	10	+77
Carlos Boozer	5	173	42.4	34.6	13.2	3.8	1.0	0.4	13.2	21.8	60.6	0.0	0.0		8.2	10.6	77.4	65.4	2.8	10.4	3.0	212	66	19	5	2	15	16	+4
Anthony Davis	4	149	41.4	37.3	15.3	1.5	1.8	2.5	14.3	25.5	55.9	1.0	2.8	36.4	7.8	9.5	81.6	62.8	2.8	12.5	2.3	166	61	6	7	10	9	14	+32
Kyrie Irving	4	157	40.2	39.3	4.5	3.3	0.5	0.0	15.0	25.5	58.8	3.8	9.0	41.7	5.5	6.0	91.7	69.7	1.0	3.5	3.0	161	18	13	2	0	12	15	+7
Kawhi Leonard	4	146	38.6	36.5	7.3	4.5	2.8	0.3	11.8	18.5	63.5	2.8	4.8	57.9	10.3	10.3	100.0	79.3	1.0	6.3	3.0	154	29	18	11	1	12	7	+67
Damian Lillard	4	138	41.7	34.5	4.0	6.8	1.0	0.3	10.3	25.8	39.8	5.0	11.8	42.6	9.0	9.8	92.3	57.4	1.8	2.3	3.0	167	16	27	4	1	12	11	-15
Paul Pierce	4	143	45.5	35.8	9.0	8.0	2.8	1.3	9.0	19.8	45.6	2.0	4.3	47.1	15.8	17.8	88.7	64.9	1.5	7.5	4.8	182	36	32	11	5	19	16	+6
Tim Duncan	4	135	44.3	33.8	15.0	2.5	0.8	4.3	12.5	23.0	54.3	0.3	0.5	50.0	8.5	10.5	81.0	61.1	4.3	10.8	4.8	177	60	10	3	17	19	9	+32
Chris Mullin	4	145	46.0	36.3	5.3	4.8	1.0	1.3	14.3	24.8	57.6	0.3	1.3	20.0	7.5	9.0	83.3	63.1	1.0	4.3	2.8	184	21	19	4	5	11	7