Josh Giddey got his most boards in a game versus the Clippers on December 18, 2021, with 18 rebounds.

Interpreted as:

Josh Giddey most rebounds in a regular-season game

	NAME	REB	DATE	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Josh Giddey J. Giddey	18	12/18/2021	OKC	vs	LAC	32	8	10	0	0	4	14	28.6	0	1	0.0	0	0		28.6	4	14	4	0	-7
2	Josh Giddey J. Giddey	17	3/24/2023	OKC	@	LAL	39	27	7	1	1	12	24	50.0	2	6	33.3	1	1	100.0	55.2	4	13	2	3	+14
3	Josh Giddey J. Giddey	15	1/10/2023	OKC	@	MIA	32	18	10	0	1	8	18	44.4	0	4	0.0	2	2	100.0	47.7	7	8	6	4	-4
4	Josh Giddey J. Giddey	15	11/9/2022	OKC	vs	MIL	44	18	6	0	0	9	19	47.4	0	4	0.0	0	2	0.0	45.3	5	10	1	1	-8
5	Josh Giddey J. Giddey	15	1/5/2022	OKC	@	MIN	35	14	6	1	0	6	11	54.5	2	4	50.0	0	0		63.6	4	11	6	2	-11
6	Josh Giddey J. Giddey	14	11/30/2022	OKC	vs	SAS	33	14	5	2	0	7	18	38.9	0	1	0.0	0	0		38.9	5	9	0	1	+6
7	Josh Giddey J. Giddey	13	10/28/2024	CHI	@	MEM	28	12	8	1	1	4	10	40.0	2	4	50.0	2	4	50.0	51.0	4	9	2	1	+11
8	Josh Giddey J. Giddey	13	4/7/2024	OKC	@	CHA	37	20	13	1	0	7	15	46.7	1	1	100.0	5	6	83.3	56.7	2	11	5	2	+15
9	Josh Giddey J. Giddey	13	3/31/2024	OKC	@	NYK	31	16	12	1	2	7	11	63.6	2	3	66.7	0	2	0.0	67.3	1	12	2	2	+11
10	Josh Giddey J. Giddey	13	3/14/2023	OKC	vs	BKN	37	15	10	2	0	7	19	36.8	1	3	33.3	0	1	0.0	38.6	4	9	1	3	+14
11	Josh Giddey J. Giddey	13	12/16/2022	OKC	vs	MIN	30	11	6	0	0	5	10	50.0	1	4	25.0	0	0		55.0	1	12	4	1	-4
12	Josh Giddey J. Giddey	13	12/10/2022	OKC	@	CLE	38	17	6	1	1	7	16	43.8	1	4	25.0	2	2	100.0	50.4	1	12	2	2	-6
13	Josh Giddey J. Giddey	13	11/25/2022	OKC	vs	CHI	38	10	9	0	1	5	13	38.5	0	1	0.0	0	0		38.5	2	11	5	0	-2
14	Josh Giddey J. Giddey	13	1/2/2022	OKC	vs	DAL	36	17	14	4	0	7	16	43.8	3	5	60.0	0	0		53.1	1	12	3	1	+6
15	Josh Giddey J. Giddey	12	4/10/2024	OKC	vs	SAS	29	20	7	1	0	7	12	58.3	1	3	33.3	5	5	100.0	70.4	0	12	3	1	+22
16	Josh Giddey J. Giddey	12	12/18/2023	OKC	vs	MEM	24	16	4	1	0	6	12	50.0	0	4	0.0	4	4	100.0	58.1	3	9	1	0	+16
17	Josh Giddey J. Giddey	12	12/3/2022	OKC	@	MIN	33	21	7	2	2	8	16	50.0	3	7	42.9	2	3	66.7	60.6	1	11	4	4	+8
18	Josh Giddey J. Giddey	12	10/22/2022	OKC	@	DEN	33	19	6	1	1	8	17	47.1	2	4	50.0	1	2	50.0	53.1	4	8	1	2	-17
19	Josh Giddey J. Giddey	12	2/12/2022	OKC	@	CHI	33	11	10	0	0	4	10	40.0	1	2	50.0	2	2	100.0	50.6	1	11	3	0	-3
20	Josh Giddey J. Giddey	12	1/31/2022	OKC	vs	POR	33	14	4	0	1	5	12	41.7	0	2	0.0	4	4	100.0	50.9	1	11	4	2	+15
21	Josh Giddey J. Giddey	12	11/19/2021	OKC	@	MIL	32	14	4	0	0	6	12	50.0	0	3	0.0	2	4	50.0	50.9	6	6	2	0	-16
22	Josh Giddey J. Giddey	12	11/10/2021	OKC	@	NOP	31	7	9	1	0	3	10	30.0	1	3	33.3	0	0		35.0	5	7	5	3	+3
23	Josh Giddey J. Giddey	11	10/30/2024	CHI	vs	ORL	31	20	5	1	0	6	11	54.5	4	4	100.0	4	6	66.7	73.3	1	10	1	2	+11
24	Josh Giddey J. Giddey	11	3/20/2024	OKC	vs	UTA	26	5	8	0	1	2	9	22.2	1	3	33.3	0	0		27.8	2	9	0	1	+28
25	Josh Giddey J. Giddey	11	3/26/2023	OKC	@	POR	35	17	6	1	2	7	12	58.3	3	5	60.0	0	1	0.0	68.3	1	10	2	0	-3