Isaiah Thomas scored his most points in a playoff game in Game 2 of the 2017 Eastern Conference Semifinals against the Wizards, with 53 points.

isaiah thomas most points in a playoff game

NAME	PTS	DATE	TM		OPP	MIN	REB	AST	STL	BLK	TOV	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	PF	+/-
Isaiah Thomas	53	5/2/2017	BOS	vs	WAS	45	4	4	3	0	2	18	33	54.5	5	12	41.7	12	13	92.3	2	+10
Isaiah Thomas	42	4/22/2016	BOS	vs	ATL	37	4	1	1	0	1	12	24	50.0	5	12	41.7	13	15	86.7	2	+3
Isaiah Thomas	33	4/30/2017	BOS	vs	WAS	38	1	9	0	1	2	11	23	47.8	5	11	45.5	6	7	85.7	0	0
Isaiah Thomas	33	4/23/2017	BOS	@	CHI	36	4	7	1	0	5	10	21	47.6	1	9	11.1	12	13	92.3	4	+17
Isaiah Thomas	33	4/16/2017	BOS	vs	CHI	38	6	6	1	0	6	10	18	55.6	3	7	42.9	10	12	83.3	3	+12
Isaiah Thomas	29	5/15/2017	BOS	vs	WAS	40	2	12	1	0	2	9	21	42.9	3	5	60.0	8	9	88.9	2	+10
Isaiah Thomas	28	4/24/2016	BOS	vs	ATL	43	4	6	1	2	1	11	23	47.8	2	7	28.6	4	5	80.0	2	+21
Isaiah Thomas	27	5/12/2017	BOS	@	WAS	39	3	7	0	0	5	8	24	33.3	5	13	38.5	6	6	100.0	5	+5
Isaiah Thomas	27	4/16/2016	BOS	@	ATL	37	3	8	1	1	3	8	21	38.1	4	10	40.0	7	9	77.8	4	-6
Isaiah Thomas	25	4/28/2016	BOS	vs	ATL	43	3	10	1	1	3	9	24	37.5	1	7	14.3	6	7	85.7	4	-4
Isaiah Thomas	24	4/26/2017	BOS	vs	CHI	36	5	4	1	0	3	6	17	35.3	1	10	10.0	11	11	100.0	2	+13
Isaiah Thomas	22	4/21/2015	BOS	@	CLE	30	1	7	1	0	4	6	14	42.9	0	3	0.0	10	10	100.0	2	-3
Isaiah Thomas	22	4/19/2015	BOS	@	CLE	32	5	10	1	0	5	6	14	42.9	2	5	40.0	8	8	100.0	1	+5
Isaiah Thomas	21	4/26/2015	BOS	vs	CLE	37	5	9	1	0	4	4	17	23.5	1	7	14.3	12	12	100.0	6	+6
Isaiah Thomas	20	4/18/2017	BOS	vs	CHI	42	4	2	1	0	5	6	15	40.0	1	5	20.0	7	13	53.8	2	-20
Isaiah Thomas	19	5/7/2017	BOS	@	WAS	31	1	5	2	1	6	7	14	50.0	5	6	83.3	0	0		4	-30
Isaiah Thomas	18	5/10/2017	BOS	vs	WAS	35	3	9	0	0	4	5	13	38.5	2	5	40.0	6	7	85.7	2	+13
Isaiah Thomas	17	5/17/2017	BOS	vs	CLE	38	1	10	1	0	4	7	19	36.8	2	7	28.6	1	3	33.3	2	-20
Isaiah Thomas	16	4/21/2017	BOS	@	CHI	31	2	9	1	0	2	7	18	38.9	2	7	28.6	0	0		1	+2
Isaiah Thomas	16	4/19/2016	BOS	@	ATL	30	3	2	0	1	3	4	15	26.7	1	6	16.7	7	8	87.5	2	-17
Isaiah Thomas	13	5/4/2017	BOS	@	WAS	29	3	4	0	0	2	3	8	37.5	0	2	0.0	7	11	63.6	3	-19
Isaiah Thomas	12	4/28/2017	BOS	@	CHI	26	5	6	1	0	1	4	11	36.4	1	7	14.3	3	4	75.0	3	+24
Isaiah Thomas	7	4/26/2016	BOS	@	ATL	29	1	3	0	0	3	3	12	25.0	0	4	0.0	1	3	33.3	4	-33
Isaiah Thomas	5	4/23/2015	BOS	vs	CLE	21	1	2	0	0	1	2	9	22.2	0	3	0.0	1	2	50.0	1	-13
Isaiah Thomas	2	5/19/2017	BOS	vs	CLE	18	3	6	0	0	1	0	6	0.0	0	2	0.0	2	2	100.0	0	-32