Isaiah Roby has his most career points per game against the Magic, with 12.8 per game.

isaiah roby highest career ppg by opponent

OPP	PPG	GP	MPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Magic	12.8	4	23.4	6.3	1.8	1.5	1.5	1.0	4.5	8.8	51.4	1.3	2.8	45.5	2.5	3.8	66.7	94	51	25	7	6	6	4	10	-30
Raptors	12.0	3	23.9	7.0	2.3	1.0	0.3	3.3	4.7	8.3	56.0	1.0	2.0	50.0	1.7	2.0	83.3	72	36	21	7	3	1	10	11	-5
Trail Blazers	11.4	8	21.9	4.6	1.4	0.4	1.5	1.9	4.0	7.5	53.3	1.1	2.4	47.4	2.3	4.0	56.3	175	91	37	11	3	12	15	16	-49
Clippers	11.0	6	21.0	5.5	1.5	0.8	0.0	0.3	4.7	9.0	51.9	0.8	2.8	29.4	0.8	1.3	62.5	126	66	33	9	5	0	2	11	-34
Timberwolves	10.7	6	26.7	5.0	2.0	2.0	0.7	2.3	4.0	8.3	48.0	1.0	2.8	35.3	1.7	2.8	58.8	160	64	30	12	12	4	14	14	-45
Nuggets	9.6	8	19.0	5.4	3.0	1.0	0.6	1.5	3.6	6.5	55.8	0.8	1.6	46.2	1.6	2.5	65.0	152	77	43	24	8	5	12	16	-8
Mavericks	9.5	4	24.0	6.8	1.5	1.5	0.8	1.0	4.0	8.3	48.5	0.5	1.8	28.6	1.0	2.0	50.0	96	38	27	6	6	3	4	5	+5
Jazz	9.3	4	21.6	5.3	2.0	0.5	0.3	1.0	3.8	8.5	44.1	1.3	3.0	41.7	0.5	0.8	66.7	86	37	21	8	2	1	4	12	-50
Grizzlies	9.2	5	25.3	5.8	1.8	1.2	0.6	3.2	2.8	7.2	38.9	0.4	1.8	22.2	3.2	4.0	80.0	126	46	29	9	6	3	16	14	-64
Wizards	9.0	2	15.6	4.5	1.0	1.0	0.5	1.5	4.0	9.0	44.4	0.5	2.0	25.0	0.5	0.5	100.0	31	18	9	2	2	1	3	1	-4
Lakers	8.1	7	14.5	3.7	1.4	0.0	0.1	1.0	3.0	5.0	60.0	0.9	1.3	66.7	1.3	1.9	69.2	102	57	26	10	0	1	7	19	-1
Bulls	8.0	5	20.5	3.6	1.4	1.2	1.0	0.8	3.2	6.8	47.1	0.6	2.0	30.0	1.0	1.2	83.3	103	40	18	7	6	5	4	14	-38
Spurs	8.0	6	17.5	5.5	0.8	1.2	0.5	0.8	2.7	6.2	43.2	0.5	1.5	33.3	2.2	2.7	81.3	105	48	33	5	7	3	5	19	-25
Pistons	7.5	4	22.3	4.3	1.5	0.3	0.8	1.3	2.5	7.0	35.7	0.3	1.8	14.3	2.3	2.8	81.8	89	30	17	6	1	3	5	6	-24
Hawks	7.4	5	24.1	6.0	1.2	0.2	0.4	1.8	3.2	7.4	43.2	0.2	1.6	12.5	0.8	1.8	44.4	121	37	30	6	1	2	9	14	-31
Rockets	7.4	8	16.5	3.4	1.0	0.6	0.9	1.1	2.9	6.1	46.9	0.3	1.4	18.2	1.4	2.0	68.8	132	59	27	8	5	7	9	13	-4
Suns	7.0	7	21.0	3.6	1.1	0.6	0.1	1.1	2.6	6.0	42.9	0.7	2.4	29.4	1.1	1.6	72.7	147	49	25	8	4	1	8	16	-65
Knicks	7.0	4	17.6	4.0	0.8	0.5	0.3	1.3	3.0	4.5	66.7	0.5	1.3	40.0	0.5	1.0	50.0	70	28	16	3	2	1	5	8	-12
Pelicans	6.7	6	13.2	4.2	1.0	0.7	0.0	1.3	2.7	4.2	64.0	0.8	1.7	50.0	0.5	1.2	42.9	79	40	25	6	4	0	8	9	-16
Kings	6.5	8	18.8	3.6	1.4	0.8	0.8	1.3	2.3	5.5	40.9	0.8	1.8	42.9	1.3	1.5	83.3	150	52	29	11	6	6	10	19	-55
Pacers	6.3	3	26.2	6.3	3.0	0.7	0.0	1.0	2.3	6.7	35.0	0.3	1.3	25.0	1.3	1.3	100.0	79	19	19	9	2	0	3	11	-43
Celtics	5.6	5	18.0	5.6	0.8	0.0	0.4	1.0	2.0	5.4	37.0	0.4	1.2	33.3	1.2	1.6	75.0	90	28	28	4	0	2	5	10	-14
Nets	5.5	4	14.6	3.3	0.3	0.3	0.0	0.5	2.0	3.3	61.5	0.5	1.5	33.3	1.0	1.8	57.1	58	22	13	1	1	0	2	8	-31
Bucks	5.2	5	14.6	3.6	1.2	0.2	0.2	0.2	2.0	2.8	71.4	0.8	1.2	66.7	0.4	0.6	66.7	73	26	18	6	1	1	1	12	-10
Cavaliers	5.0	3	13.5	3.0	1.7	0.0	0.3	0.7	2.0	4.3	46.2	0.3	0.7	50.0	0.7	0.7	100.0	40	15	9	5	0	1	2	2	+25