I couldn't find anything for this season, but Brandon Williams and Jared Rhoden were tied for the highest plus/minus in their last 6 games in 2024-25, at +56.

Interpreted as:

highest +/- by a player last 6 games this season

	NAME	+/-	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	Brandon Williams B. Williams	+56	2024-25	DAL	6	18.7	12.7	2.0	4.0	0.8	0.3	4.5	8.0	56.3	1.2	2.2	53.8	2.5	3.0	83.3	68.0	0.3	1.7	1.5	112	76	12	24	5	2	9	11
2	Jared Rhoden J. Rhoden	+56	2024-25	TOR	6	22.7	13.8	4.5	2.2	1.3	0.0	5.0	9.2	54.5	1.8	4.8	37.9	2.0	2.2	92.3	68.3	1.2	3.3	0.8	136	83	27	13	8	0	5	13
3	Jae'Sean Tate J. Tate	+55	2024-25	HOU	6	13.2	4.7	2.5	1.3	0.3	0.2	1.8	3.0	61.1	0.8	1.7	50.0	0.2	0.3	50.0	74.2	1.2	1.3	0.5	79	28	15	8	2	1	3	9
4	Shaedon Sharpe S. Sharpe	+54	2024-25	POR	6	36.1	27.8	7.2	4.5	1.7	0.2	10.0	21.5	46.5	3.0	9.2	32.7	4.8	6.7	72.5	57.0	0.8	6.3	3.0	217	167	43	27	10	1	18	8
5	Jayson Tatum J. Tatum	+52	2024-25	BOS	6	40.4	28.7	11.5	5.8	2.5	0.7	9.3	21.8	42.7	4.0	10.0	40.0	6.0	6.3	94.7	58.2	0.8	10.7	3.2	242	172	69	35	15	4	19	16
6	De'Andre Hunter D. Hunter	+47	2024-25	CLE	6	24.3	12.7	3.8	1.2	0.5	0.2	3.8	8.2	46.9	1.7	3.7	45.5	3.3	4.0	83.3	63.8	0.7	3.2	1.2	146	76	23	7	3	1	7	17
7	Julian Phillips J. Phillips	+42	2024-25	CHI	6	15.3	7.2	3.0	0.7	0.5	0.3	2.7	5.0	53.3	0.8	2.5	33.3	1.0	1.0	100.0	65.9	0.8	2.2	0.2	92	43	18	4	3	2	1	9
8	Steven Adams S. Adams	+40	2024-25	HOU	6	22.6	5.7	5.7	0.5	0.5	1.3	1.5	2.7	56.3	0.0	0.0		2.7	4.7	57.1	60.0	3.0	2.7	0.7	135	34	34	3	3	8	4	7
9	Alperen Sengun A. Sengun	+40	2024-25	HOU	6	36.7	20.0	12.3	6.0	1.7	0.5	8.0	18.8	42.5	0.3	1.0	33.3	3.7	6.0	61.1	46.6	3.2	9.2	1.7	220	120	74	36	10	3	10	24
10	Jarrett Allen J. Allen	+39	2024-25	CLE	6	29.0	13.0	7.8	1.5	1.5	1.0	4.7	6.5	71.8	0.0	0.0		3.7	4.0	91.7	78.7	1.8	6.0	2.0	174	78	47	9	9	6	12	11
11	Nikola Vučević N. Vučević	+39	2024-25	CHI	6	30.7	17.7	11.0	3.8	1.2	1.3	7.3	14.5	50.6	1.5	3.5	42.9	1.5	1.8	81.8	57.7	3.7	7.3	2.0	184	106	66	23	7	8	12	10
12	RayJ Dennis R. Dennis	+39	2024-25	IND	6	10.1	4.7	1.5	2.2	0.8	0.3	1.8	5.2	35.5	1.0	3.2	31.6	0.0	0.0		45.2	0.2	1.3	0.5	61	28	9	13	5	2	3	6
13	Mouhamed Gueye M. Gueye	+37	2024-25	ATL	6	20.3	6.5	7.5	1.3	1.0	1.0	2.3	4.3	53.8	0.7	1.5	44.4	1.2	2.2	53.8	61.5	3.0	4.5	0.8	122	39	45	8	6	6	5	14
14	Devin Carter D. Carter	+35	2024-25	SAC	6	17.7	5.5	2.8	1.3	1.0	0.2	2.0	5.3	37.5	0.8	2.0	41.7	0.7	1.0	66.7	47.6	1.2	1.7	0.7	106	33	17	8	6	1	4	8
15	Lonzo Ball L. Ball	+35	2024-25	CHI	6	26.5	9.5	3.3	2.2	0.7	0.3	3.3	9.3	35.7	2.2	6.7	32.5	0.7	1.0	66.7	48.6	1.0	2.3	1.2	159	57	20	13	4	2	7	7
16	Jaylen Wells J. Wells	+33	2024-25	MEM	6	25.8	8.2	4.3	2.0	0.7	0.0	2.7	6.7	40.0	1.2	4.2	28.0	1.7	2.0	83.3	54.1	1.3	3.0	0.3	155	49	26	12	4	0	2	9
17	Kenrich Williams K. Williams	+32	2024-25	OKC	6	9.1	1.2	2.0	0.7	0.0	0.2	0.5	1.7	30.0	0.2	1.0	16.7	0.0	0.3	0.0	32.2	0.8	1.2	0.3	54	7	12	4	0	1	2	0
18	Sam Merrill S. Merrill	+32	2024-25	CLE	6	19.3	5.7	2.5	1.5	0.5	0.0	1.8	5.3	34.4	1.7	5.2	32.3	0.3	0.5	66.7	51.0	0.8	1.7	0.3	116	34	15	9	3	0	2	14
19	Patrick Williams P. Williams	+32	2024-25	CHI	6	21.8	10.0	2.8	1.7	1.3	0.2	3.8	7.3	52.3	1.7	3.8	43.5	0.7	0.8	80.0	64.9	0.3	2.5	1.5	131	60	17	10	8	1	9	8
20	Chet Holmgren C. Holmgren	+30	2024-25	OKC	6	31.5	13.3	9.3	0.7	0.7	1.7	4.7	11.2	41.8	0.5	3.0	16.7	3.5	4.2	84.0	51.3	2.3	7.0	1.5	189	80	56	4	4	10	9	14
21	Rudy Gobert R. Gobert	+30	2024-25	MIN	6	26.4	7.7	6.8	1.3	0.5	1.0	3.3	5.3	62.5	0.0	0.0		1.0	2.7	37.5	58.9	2.5	4.3	0.7	158	46	41	8	3	6	4	12
22	Jaylen Brown J. Brown	+30	2024-25	BOS	6	37.3	21.3	6.7	5.2	0.8	0.3	7.7	19.0	40.4	2.2	7.5	28.9	3.8	5.7	67.6	49.6	1.7	5.0	3.8	224	128	40	31	5	2	23	21
23	Isaac Okoro I. Okoro	+30	2024-25	CLE	6	16.0	4.8	1.2	0.5	0.8	0.0	1.7	3.0	55.6	0.7	1.3	50.0	0.8	1.3	62.5	67.4	0.3	0.8	0.7	96	29	7	3	5	0	4	6
24	Jaylon Tyson J. Tyson	+30	2024-25	CLE	6	16.4	10.3	3.2	2.0	1.0	0.3	3.7	8.2	44.9	1.7	4.0	41.7	1.3	1.7	80.0	58.1	1.2	2.0	1.3	98	62	19	12	6	2	8	10
25	Toumani Camara T. Camara	+29	2024-25	POR	6	29.5	14.3	5.2	2.5	1.0	0.5	5.5	12.0	45.8	2.3	6.3	36.8	1.0	1.3	75.0	56.9	1.3	3.8	0.8	177	86	31	15	6	3	5	17