Andris Biedrins has the worst free-throw percentage with 15+ free-throw attempts in a season, at 16.0 percent in 2009-10.

Interpreted as:

NBA lowest ft% by a player in a season min 15 fta

	NAME	FT%	FTA	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Andris Biedrins A. Biedrins	16.0	25	2009-10	GSW	33	23.1	5.0	7.8	1.7	0.6	1.3	2.5	4.2	59.1	0.0	0.0		0.1	56.1	1.9	5.9	1.0	763	166	259	57	20	44	32	117	-124
2	Clint Capela C. Capela	17.4	23	2014-15	HOU	12	7.5	2.7	3.0	0.2	0.1	0.8	1.2	2.4	48.3	0.0	0.0		0.3	40.9	0.8	2.2	0.4	90	32	36	2	1	9	5	14	+8
3	Mitchell Robinson M. Robinson	17.6	17	2025-26	NYK	15	17.5	3.7	8.4	0.9	0.8	0.9	1.7	2.6	66.7	0.0	0.0		0.2	59.2	4.6	3.8	0.7	263	55	126	13	12	13	11	33	+57
4	Garfield Smith G. Smith	19.4	31	1971-72	BOS	26	5.2	2.4	1.4	0.3			1.1	2.5	42.4				0.2	38.9				134	62	37	8				22
5	Harold Jamison H. Jamison	22.2	18	1999-00	MIA	12	6.2	1.5	1.8	0.3	0.2	0.1	0.6	1.7	35.0	0.0	0.0		0.3	32.2	1.3	0.4	0.3	74	18	21	4	2	1	4	17	-18
6	Bud Olsen B. Olsen	22.2	18	1968-69	TOT	17	6.6	2.0	1.5	0.6			0.9	2.5	35.7				0.2	34.1				113	34	25	11				14
7	Tristan Thompson T. Thompson	23.3	30	2024-25	CLE	40	8.2	1.7	3.4	0.6	0.1	0.3	0.8	1.8	43.7	0.0	0.1	0.0	0.2	41.0	0.8	2.6	0.4	328	69	134	24	2	11	14	36	-85
8	Greg Anderson G. Anderson	24.0	25	1995-96	SAS	46	7.5	1.2	2.2	0.2	0.2	0.5	0.5	1.0	51.1	0.0	0.0	0.0	0.1	46.6	0.6	1.5	0.5	344	54	100	10	9	24	22	66
9	Larry Smith L. Smith	24.0	50	1990-91	HOU	81	23.7	3.3	8.8	1.1	1.0	0.3	1.6	3.2	48.7	0.0	0.0		0.1	47.0	3.7	5.0	1.1	1,923	268	709	88	83	22	93	265
10	Lou Amundson L. Amundson	25.0	24	2013-14	TOT	19	9.7	2.0	2.9	0.3	0.5	0.6	0.8	1.7	50.0	0.0	0.0		0.3	44.6	1.5	1.4	0.7	185	38	55	6	9	11	14	49	-31
11	Jerome Lane J. Lane	25.0	20	1992-93	CLE	21	7.1	2.8	2.5	0.8	0.6	0.1	1.3	2.6	50.0	0.0	0.0		0.2	47.0	1.1	1.4	0.3	149	59	53	17	12	3	7	32
12	Eric Montross E. Montross	25.8	31	2000-01	TOT	54	12.0	2.2	3.2	0.4	0.2	0.5	1.0	2.6	40.6	0.0	0.0		0.1	39.6	1.0	2.2	0.8	649	120	173	19	11	26	41	115	-138
13	Jamaal Magloire J. Magloire	25.9	27	2011-12	TOR	34	11.0	1.2	3.3	0.2	0.1	0.3	0.5	1.3	37.8	0.0	0.0		0.2	36.0	0.7	2.6	0.6	374	41	113	6	4	10	22	66	+33
14	Olden Polynice O. Polynice	26.2	65	2000-01	UTA	81	20.0	5.3	4.7	0.4	0.3	1.0	2.5	5.1	49.6	0.0	0.0	0.0	0.2	48.4	1.9	2.7	1.0	1,619	429	378	31	27	77	78	241	+126
15	Ralph Sampson R. Sampson	26.3	19	1990-91	SAC	25	13.9	3.0	4.4	0.7	0.4	0.7	1.4	3.7	36.6	0.0	0.2	20.0	0.2	36.5	1.6	2.8	1.1	348	74	111	17	11	17	27	54
16	Bud Olsen B. Olsen	27.4	62	1967-68	SEA	73	12.3	3.8	2.8	1.0			1.8	3.9	45.6				0.2	44.4				897	277	204	75				136
17	John Hummer J. Hummer	27.5	51	1974-75	SEA	43	13.2	2.2	2.4	0.9	0.2	0.2	1.0	2.5	38.0				0.3	36.8	0.7	1.8		568	96	104	38	8	7		63
18	Kim Hughes K. Hughes	27.5	69	1976-77	NYN	81	25.7	4.0	7.0	1.2	1.5	1.5	1.9	4.4	42.7				0.2	41.8	2.3	4.6		2,081	321	564	98	122	119		308
19	Rick Brunson R. Brunson	27.8	18	1998-99	NYK	17	5.6	1.0	0.6	1.1	0.5	0.0	0.4	1.2	28.6	0.0	0.3	0.0	0.3	29.4	0.2	0.4	0.7	95	17	10	19	9	0	12	8	+16
20	Lorenzen Wright L. Wright	28.1	32	2006-07	ATL	67	15.4	2.6	3.2	0.6	0.4	0.4	1.2	2.7	44.8	0.0	0.0		0.1	43.9	1.3	2.0	0.6	1,035	173	216	40	28	28	39	204	-137
21	Jerome Whitehead J. Whitehead	28.6	35	1979-80	TOT	50	11.1	2.5	3.3	0.5	0.2	0.3	1.2	2.3	50.9	0.0	0.0		0.2	48.7	1.1	2.2	0.7	553	126	167	24	8	17	36	97
22	Tristan Thompson T. Thompson	28.8	52	2023-24	CLE	49	11.2	3.3	3.6	1.0	0.2	0.3	1.5	2.4	60.8	0.0	0.0	0.0	0.3	56.3	1.5	2.1	0.6	549	161	174	51	12	14	29	59	-12
23	Joey Dorsey J. Dorsey	28.9	83	2014-15	HOU	69	12.4	2.7	4.0	0.4	0.6	0.4	1.2	2.1	55.2	0.0	0.0	0.0	0.3	50.7	1.5	2.6	0.6	854	184	279	25	40	25	41	157	+15
24	Moses Brown M. Brown	29.0	31	2023-24	POR	22	9.1	3.4	3.9	0.3	0.2	0.3	1.5	3.0	50.8	0.0	0.0		0.4	47.7	1.7	2.2	0.5	200	75	86	7	5	7	11	27	-59
25	Carl Herrera C. Herrera	29.4	17	1995-96	SAS	44	8.9	1.9	1.8	0.4	0.2	0.2	0.9	2.2	41.2	0.0	0.0	0.0	0.1	40.7	0.7	1.2	0.7	393	85	81	16	9	8	29	61