LeBron James has gotten the most career triple-doubles in the playoffs when blocking >0 shots, with 19 triple-doubles.

Interpreted as:

most playoff triple doubles with blocks by a player

	NAME	TD3	BLK	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	TOV	PF	+/-
1	LeBron James L. James	19	284	177	41.6	28.4	9.2	7.3	1.7	1.6	10.1	20.8	48.8	1.6	5.1	31.7	6.5	8.8	74.3	57.7	1.6	7.6	3.8	7,363	5,022	1,628	1,287	300	665	405	+761
2	Nikola Jokić N. Jokić	14	82	50	39.6	28.2	13.0	8.2	1.3	1.6	10.8	20.7	51.9	1.8	4.8	37.4	4.9	6.0	81.9	60.4	3.0	10.0	3.5	1,979	1,410	650	408	64	176	166	+185
3	Draymond Green D. Green	8	225	122	35.2	11.7	8.8	6.3	1.6	1.8	4.2	9.2	45.9	1.0	3.3	29.1	2.3	3.2	71.5	55.1	1.6	7.2	2.6	4,299	1,428	1,077	765	199	322	450	+894
4	Magic Johnson M. Johnson	7	52	41	40.7	18.0	7.8	13.4	1.9	1.3	6.5	13.4	48.3	0.1	0.8	12.5	5.0	6.1	82.4	56.1			4.0	1,667	740	318	551	77	166	113
5	Luka Dončić L. Dončić	6	26	22	40.4	31.0	9.3	8.1	1.4	1.2	10.5	23.1	45.4	3.4	9.9	34.6	6.5	8.7	75.0	57.4	0.7	8.6	4.0	888	681	204	178	30	87	59	+58
6	Russell Westbrook R. Westbrook	6	42	33	37.9	24.5	6.8	8.1	1.8	1.3	8.8	21.2	41.5	1.5	4.7	30.8	5.5	6.2	87.8	51.2	2.0	4.8	4.1	1,250	810	226	268	59	134	101	+159
7	Giannis Antetokounmpo G. Antetokounmpo	4	110	61	36.7	27.1	11.8	5.6	1.1	1.8	10.1	18.8	54.1	0.9	3.0	30.1	5.9	9.5	62.1	59.0	2.2	9.6	3.5	2,237	1,654	722	342	66	215	206	+159
8	Tim Duncan T. Duncan	4	568	215	37.9	20.9	11.7	3.1	0.7	2.6	8.0	15.9	50.1	0.0	0.1	16.1	5.0	7.2	68.5	54.8	3.2	8.5	2.6	8,149	4,496	2,523	668	151	561	602	+873
9	Jason Kidd J. Kidd	4	52	46	39.3	14.3	6.8	8.3	1.7	1.1	5.0	11.8	42.9	1.6	4.6	34.6	2.7	3.6	73.5	53.7	1.3	5.5	3.3	1,809	659	312	381	79	151	81	+90
10	Charles Barkley C. Barkley	4	110	80	40.3	24.9	13.2	4.1	1.7	1.4	8.8	16.9	52.1	0.6	2.2	28.6	6.6	9.1	72.4	59.4	4.2	9.0	3.0	3,225	1,989	1,057	329	133	241	256	-14
11	James Harden J. Harden	3	98	69	38.2	23.7	5.4	7.4	1.9	1.4	7.1	16.4	43.3	2.6	8.0	32.9	6.8	7.8	87.9	59.6	0.7	4.8	3.5	2,633	1,633	375	514	129	244	203	+186
12	Scottie Pippen S. Pippen	3	185	122	39.5	18.0	7.8	5.0	2.0	1.5	6.5	14.6	44.8	0.9	3.0	30.2	4.0	5.5	72.5	52.9	2.3	5.5	3.0	4,824	2,196	955	607	243	369	411	+134
13	Jimmy Butler III J. Butler III	2	71	56	40.2	24.6	7.3	4.9	1.7	1.3	8.2	17.4	47.1	1.3	3.9	33.2	6.9	8.1	85.1	58.7	2.2	5.1	2.1	2,250	1,378	407	276	96	116	99	-9
14	Kevin Durant K. Durant	2	204	123	40.8	30.0	8.1	4.1	1.0	1.7	10.1	21.2	47.9	2.2	6.2	35.8	7.5	8.6	87.0	60.0	0.8	7.3	3.2	5,019	3,686	997	507	128	398	312	+574
15	Kevin Garnett K. Garnett	2	186	97	38.5	19.5	11.3	3.5	1.3	1.9	7.9	16.4	47.9	0.1	0.4	28.9	3.6	4.6	79.2	52.8	2.3	9.1	2.7	3,731	1,889	1,100	344	123	258	299	+145
16	Mookie Blaylock M. Blaylock	2	24	21	39.8	14.5	4.8	6.5	2.5	1.1	5.3	13.3	39.8	2.2	6.3	35.6	1.7	2.5	66.0	50.3	1.2	3.6	3.2	835	304	101	137	53	67	36	-15
17	Clyde Drexler C. Drexler	2	108	70	40.2	20.8	7.3	6.5	2.1	1.5	7.7	17.3	44.2	0.9	3.2	28.6	4.6	5.8	78.9	52.3	2.5	4.8	2.9	2,816	1,457	511	455	147	203	230	+6
18	Cade Cunningham C. Cunningham	1	8	4	41.6	24.0	8.0	9.3	2.3	2.0	9.0	21.8	41.4	0.8	5.0	15.0	5.3	6.3	84.0	49.0	1.0	7.0	5.3	166	96	32	37	9	21	14	+10
19	Tyrese Haliburton T. Haliburton	1	25	18	36.5	19.3	5.6	8.8	1.3	1.4	7.4	14.6	50.8	3.0	7.9	37.8	1.5	1.8	81.8	62.7	0.6	4.9	2.3	658	347	100	159	24	42	27	+77
20	Ja Morant J. Morant	1	7	5	37.8	18.4	5.4	7.6	1.4	1.4	6.6	19.6	33.7	1.0	5.2	19.2	4.2	6.6	63.6	40.9	1.8	3.6	4.4	189	92	27	38	7	22	10	-9
21	Joel Embiid J. Embiid	1	102	45	36.4	25.8	11.0	3.2	0.9	2.3	8.1	17.5	46.2	1.1	4.0	28.7	8.6	10.5	81.7	58.5	2.3	8.7	4.1	1,636	1,162	495	142	41	184	161	+248
22	Ben Simmons B. Simmons	1	34	24	31.5	10.9	6.5	6.2	1.1	1.4	4.4	7.9	56.1	0.0	0.0	0.0	2.1	4.3	49.0	56.0	1.4	5.2	2.8	756	262	157	148	27	66	80	-26
23	Ricky Rubio R. Rubio	1	4	4	35.3	17.5	6.8	8.5	2.0	1.0	6.0	16.3	36.9	1.0	6.3	16.0	4.5	5.3	85.7	47.1	1.3	5.5	3.5	141	70	27	34	8	14	8	+57
24	Bam Adebayo B. Adebayo	1	49	38	35.4	16.3	9.2	3.6	1.0	1.3	6.3	12.4	51.3	0.0	0.2	12.5	3.6	4.6	78.6	56.7	2.6	6.6	2.4	1,344	619	349	138	37	91	111	+114
25	Blake Griffin B. Griffin	1	53	33	34.9	19.6	8.0	3.5	1.0	1.6	7.8	16.1	48.2	0.2	0.8	30.8	3.8	5.4	71.8	53.1	2.0	6.0	2.1	1,152	647	265	117	33	68	106	-15