Ben Simmons had the best defensive rating by a point guard in 2020-21, with a 106.1 rating.

Interpreted as:

best point guard defensive rating with a minimum of 2000 minutes played per 82 team games 2021

	NAME	DRTG	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Ben Simmons B. Simmons	106.1	2020-21	PHI	58	32.4	14.3	7.2	6.9	1.6	0.6	5.6	10.1	55.7	0.1	0.2	30.0	3.0	4.9	61.3	58.4	1.6	5.6	3.0	1,877	829	417	401	93	35	173	171	+329
2	Dennis Schröder D. Schröder	109.2	2020-21	LAL	61	32.1	15.4	3.5	5.8	1.1	0.2	5.4	12.5	43.7	1.2	3.5	33.5	3.4	4.0	84.8	54.3	0.5	3.0	2.7	1,956	941	211	351	70	13	163	159	+84
3	Russell Westbrook R. Westbrook	109.7	2020-21	WAS	65	36.4	22.2	11.5	11.7	1.4	0.4	8.4	19.0	43.9	1.3	4.2	31.5	4.2	6.4	65.6	50.9	1.7	9.9	4.8	2,369	1,445	750	763	89	23	312	190	-87
4	T.J. McConnell	110.5	2020-21	IND	69	26.0	8.6	3.7	6.6	1.9	0.3	4.0	7.1	55.9	0.2	0.7	31.3	0.5	0.7	68.8	58.3	0.8	2.9	2.0	1,796	596	256	456	128	23	135	113	+70
5	Chris Paul C. Paul	110.6	2020-21	PHX	70	31.4	16.4	4.5	8.9	1.4	0.3	6.3	12.6	49.9	1.5	3.7	39.5	2.4	2.6	93.4	59.9	0.4	4.1	2.2	2,199	1,149	312	622	99	19	156	166	+310
6	Dejounte Murray D. Murray	110.8	2020-21	SAS	67	31.9	15.7	7.1	5.4	1.5	0.1	6.6	14.5	45.3	0.9	3.0	31.7	1.6	2.0	79.1	50.9	0.9	6.2	1.7	2,139	1,051	473	363	101	7	117	135	+88
7	Stephen Curry S. Curry	111.2	2020-21	GSW	63	34.1	32.0	5.5	5.8	1.2	0.1	10.4	21.7	48.2	5.3	12.7	42.1	5.7	6.3	91.6	65.5	0.5	5.0	3.4	2,151	2,015	345	363	77	8	213	119	+242
8	Luka Dončić L. Dončić	111.3	2020-21	DAL	66	34.3	27.7	8.0	8.6	1.0	0.5	9.8	20.5	47.9	2.9	8.3	35.0	5.2	7.1	73.0	58.7	0.8	7.2	4.3	2,262	1,830	527	567	64	36	281	152	+164
9	Fred VanVleet F. VanVleet	113.0	2020-21	TOR	52	36.5	19.6	4.2	6.3	1.7	0.7	6.5	16.7	38.9	3.3	9.2	36.6	3.3	3.7	88.5	53.4	0.6	3.6	1.8	1,898	1,019	220	328	87	37	95	119	+140
10	Kyrie Irving K. Irving	113.7	2020-21	BKN	54	34.9	26.9	4.8	6.0	1.4	0.7	10.2	20.1	50.6	2.8	7.0	40.2	3.7	4.0	92.2	61.4	1.0	3.8	2.4	1,886	1,451	257	324	76	37	130	140	+229
11	Terry Rozier T. Rozier	114.3	2020-21	CHA	69	34.5	20.4	4.4	4.2	1.3	0.4	7.4	16.4	45.0	3.2	8.3	38.9	2.4	2.9	81.7	57.5	0.7	3.7	1.9	2,383	1,407	302	293	87	26	128	119	-89
12	Ja Morant J. Morant	114.5	2020-21	MEM	63	32.6	19.1	4.0	7.4	0.9	0.2	6.8	15.2	44.9	1.2	3.8	30.3	4.3	5.9	72.8	53.7	0.9	3.1	3.2	2,053	1,204	252	465	57	13	203	87	+108
13	Ricky Rubio R. Rubio	115.0	2020-21	MIN	68	26.0	8.6	3.3	6.4	1.4	0.1	2.8	7.3	38.8	1.0	3.1	30.8	1.9	2.2	86.7	51.6	0.4	2.9	1.6	1,771	582	223	433	98	4	111	139	-186
14	Malcolm Brogdon M. Brogdon	115.3	2020-21	IND	56	34.4	21.2	5.3	5.9	0.9	0.3	7.9	17.5	45.3	2.6	6.7	38.8	2.7	3.2	86.4	56.1	1.0	4.2	2.1	1,929	1,186	294	329	49	15	115	110	-32
15	Theo Maledon T. Maledon	115.8	2020-21	OKC	65	27.4	10.1	3.2	3.5	0.9	0.2	3.5	9.4	36.8	1.6	4.8	33.5	1.6	2.1	74.8	48.9	0.4	2.9	2.2	1,778	658	211	227	56	11	141	126	-621
16	Trae Young T. Young	116.1	2020-21	ATL	63	33.7	25.3	3.9	9.4	0.8	0.2	7.7	17.7	43.8	2.2	6.3	34.3	7.7	8.7	88.6	58.9	0.6	3.3	4.1	2,124	1,594	245	594	53	12	261	111	+267
17	Eric Bledsoe E. Bledsoe	116.2	2020-21	NOP	71	29.7	12.2	3.4	3.8	0.8	0.3	4.3	10.3	42.1	1.7	5.0	34.1	1.9	2.7	68.7	53.3	0.4	3.0	1.6	2,111	869	244	268	55	24	114	112	-66
18	Darius Garland D. Garland	117.1	2020-21	CLE	54	33.1	17.4	2.4	6.1	1.2	0.1	6.7	14.9	45.1	1.9	4.9	39.5	2.1	2.4	84.8	54.7	0.4	2.0	3.0	1,790	941	129	329	66	6	164	110	-237
19	De'Aaron Fox D. Fox	118.1	2020-21	SAC	58	35.1	25.2	3.5	7.2	1.5	0.5	9.1	19.1	47.7	1.8	5.5	32.2	5.2	7.2	71.9	56.5	0.6	2.9	3.0	2,036	1,461	203	417	87	27	174	170	-195
20	Damian Lillard D. Lillard	118.4	2020-21	POR	67	35.8	28.8	4.2	7.5	0.9	0.3	9.0	19.9	45.1	4.1	10.5	39.1	6.7	7.2	92.8	62.3	0.5	3.7	3.0	2,398	1,928	283	505	62	17	203	102	+198