The Miami Heat have a record of 21-21 against the Celtics in the playoffs all-time.

	TEAM	DATE	REC	TM		OPP	RESULT	W%	MIN	PTS	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Heat	4/17/2010	0-1	MIA	@	BOS	L 76-85	.000	240	76	40	18	9	5	31	78	39.7	4	17	23.5	10	13	76.9	45.4	12	28	19	24
2	Heat	4/20/2010	0-1	MIA	@	BOS	L 77-106	.000	240	77	33	16	4	7	29	76	38.2	9	18	50.0	10	16	62.5	46.4	6	27	13	26
3	Heat	4/23/2010	0-1	MIA	vs	BOS	L 98-100	.000	240	98	34	20	7	4	39	77	50.6	6	18	33.3	14	17	82.4	58.0	9	25	16	21
4	Heat	4/25/2010	1-0	MIA	vs	BOS	W 101-92	1.000	240	101	43	16	9	2	38	76	50.0	10	18	55.6	15	25	60.0	58.0	9	34	14	22
5	Heat	4/27/2010	0-1	MIA	@	BOS	L 86-96	.000	240	86	38	18	6	7	31	79	39.2	5	20	25.0	19	22	86.4	48.5	11	27	18	21
6	Heat	5/1/2011	1-0	MIA	vs	BOS	W 99-90	1.000	240	99	39	17	7	8	32	68	47.1	9	19	47.4	26	32	81.3	60.3	5	34	16	21
7	Heat	5/3/2011	1-0	MIA	vs	BOS	W 102-91	1.000	240	102	44	15	6	9	34	75	45.3	7	16	43.8	27	36	75.0	56.1	12	32	10	22
8	Heat	5/7/2011	0-1	MIA	@	BOS	L 81-97	.000	240	81	36	20	9	9	31	73	42.5	5	23	21.7	14	19	73.7	49.8	12	24	14	16
9	Heat	5/9/2011	1-0	MIA	@	BOS	W 98-90	1.000	265	98	45	10	10	2	35	79	44.3	3	13	23.1	25	28	89.3	53.7	10	35	17	24
10	Heat	5/11/2011	1-0	MIA	vs	BOS	W 97-87	1.000	240	97	38	13	7	3	32	69	46.4	7	19	36.8	26	38	68.4	56.6	8	30	9	19
11	Heat	5/28/2012	1-0	MIA	vs	BOS	W 93-79	1.000	240	93	48	17	4	11	36	72	50.0	5	25	20.0	16	23	69.6	56.6	13	35	12	21
12	Heat	5/30/2012	1-0	MIA	vs	BOS	W 115-111	1.000	265	115	42	24	7	5	37	83	44.6	10	26	38.5	31	47	66.0	55.5	13	29	8	18
13	Heat	6/1/2012	0-1	MIA	@	BOS	L 91-101	.000	240	91	32	20	5	5	38	77	49.4	5	17	29.4	10	20	50.0	53.0	6	26	10	24
14	Heat	6/3/2012	0-1	MIA	@	BOS	L 91-93	.000	265	91	40	20	6	6	34	80	42.5	6	19	31.6	17	24	70.8	50.2	7	33	17	28
15	Heat	6/5/2012	0-1	MIA	vs	BOS	L 90-94	.000	240	90	49	13	6	3	32	82	39.0	7	26	26.9	19	25	76.0	48.4	12	37	15	21
16	Heat	6/7/2012	1-0	MIA	@	BOS	W 98-79	1.000	240	98	44	15	8	4	37	76	48.7	7	16	43.8	17	22	77.3	57.2	10	34	12	21
17	Heat	6/9/2012	1-0	MIA	vs	BOS	W 101-88	1.000	240	101	38	16	8	3	36	70	51.4	9	26	34.6	20	27	74.1	61.7	9	29	13	14
18	Heat	9/15/2020	1-0	MIA	@	BOS	W 117-114	1.000	265	117	41	32	6	6	40	85	47.1	16	36	44.4	21	28	75.0	60.1	7	34	12	23
19	Heat	9/17/2020	1-0	MIA	@	BOS	W 106-101	1.000	240	106	38	27	11	2	40	90	44.4	14	43	32.6	12	14	85.7	55.1	11	27	9	19
20	Heat	9/19/2020	0-1	MIA	vs	BOS	L 106-117	.000	240	106	42	21	5	8	33	85	38.8	12	44	27.3	28	34	82.4	53.0	12	30	13	24
21	Heat	9/23/2020	1-0	MIA	vs	BOS	W 112-109	1.000	240	112	40	20	9	2	39	91	42.9	10	37	27.0	24	27	88.9	54.4	10	30	8	20
22	Heat	9/25/2020	0-1	MIA	@	BOS	L 108-121	.000	240	108	38	27	3	5	39	86	45.3	7	36	19.4	23	29	79.3	54.7	6	32	12	29
23	Heat	9/27/2020	1-0	MIA	vs	BOS	W 125-113	1.000	240	125	40	30	6	2	45	80	56.3	13	27	48.1	22	26	84.6	68.4	2	38	12	13
24	Heat	5/17/2022	1-0	MIA	vs	BOS	W 118-107	1.000	240	118	39	18	10	12	39	80	48.8	10	30	33.3	30	34	88.2	62.1	9	30	12	24
25	Heat	5/19/2022	0-1	MIA	vs	BOS	L 102-127	.000	240	102	42	21	4	3	38	86	44.2	10	34	29.4	16	22	72.7	53.3	12	30	14	18
	Average							.500	242.4	99.8	39.8	20.1	6.9	4.2	36.5	81.3	44.9	9.6	28.0	34.3	17.2	22.2	77.7	54.8	9.1	30.7	12.1	20.4
	Total		21-21					.500	10,180	4,191	1,671	843	290	177	1,532	3,414	44.9	404	1,177	34.3	723	931	77.7	54.8	381	1,290	510	856