most rebound by an nba player in the first half in a game this season

I didn't find anything for this season, but Walker Kessler got the most rebounds in a first half in 2024-25, with 18 rebounds versus the Raptors on March 7.

Interpreted as:

most rebound by an NBA player in the first half in a regular-season game this season

	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	Walker Kessler W. Kessler	18	3/7/2025	UTA	@	TOR	16	6	0	0	3	3	5	60.0	0	0		0	4	0.0	44.4	10	8	4	2	-19
2	Karl-Anthony Towns K. Towns	17	12/1/2024	NYK	vs	NOP	17	4	1	1	1	1	8	12.5	0	3	0.0	2	2	100.0	22.5	2	15	2	0	+16
3	Domantas Sabonis D. Sabonis	16	1/10/2025	SAC	@	BOS	18	8	2	0	1	3	6	50.0	2	3	66.7	0	0		66.7	3	13	1	2	+6
4	Karl-Anthony Towns K. Towns	15	2/4/2025	NYK	@	TOR	20	20	1	0	1	8	15	53.3	1	2	50.0	3	3	100.0	61.3	6	9	2	1	+18
5	Nick Richards N. Richards	15	1/25/2025	PHX	vs	WAS	17	7	1	0	0	3	6	50.0	0	0		1	1	100.0	54.3	5	10	1	2	+20
6	Rudy Gobert R. Gobert	14	4/3/2025	MIN	@	BKN	18	9	1	0	0	4	5	80.0	0	0		1	3	33.3	71.2	4	10	0	1	+10
7	Domantas Sabonis D. Sabonis	14	1/1/2025	SAC	vs	PHI	18	13	4	0	0	6	10	60.0	0	0		1	2	50.0	59.7	6	8	4	2	+12
8	Domantas Sabonis D. Sabonis	14	12/22/2024	SAC	vs	IND	19	11	4	0	0	5	14	35.7	1	3	33.3	0	0		39.3	5	9	1	1	-1
9	Karl-Anthony Towns K. Towns	14	12/11/2024	NYK	vs	ATL	20	10	4	3	3	3	8	37.5	1	4	25.0	3	6	50.0	47.0	2	12	3	2	+2
10	Nikola Jokić N. Jokić	14	12/5/2024	DEN	@	CLE	19	17	5	2	0	8	14	57.1	0	1	0.0	1	1	100.0	58.9	3	11	1	0	-3
11	Jabari Smith Jr. J. Smith Jr.	13	4/2/2025	HOU	vs	UTA	17	10	2	0	0	4	10	40.0	1	4	25.0	1	1	100.0	47.9	3	10	0	0	+15
12	Nikola Jokić N. Jokić	13	3/28/2025	DEN	vs	UTA	20	19	4	3	0	6	13	46.2	1	3	33.3	6	6	100.0	60.7	4	9	3	0	+17
13	Rudy Gobert R. Gobert	13	3/24/2025	MIN	@	IND	18	8	2	0	0	4	8	50.0	0	0		0	0		50.0	4	9	1	0	0
14	Anthony Davis A. Davis	13	2/8/2025	DAL	vs	HOU	21	24	5	0	3	9	13	69.2	2	2	100.0	4	6	66.7	76.7	3	10	1	0	+17
15	Jarrett Allen J. Allen	13	2/4/2025	CLE	vs	BOS	15	10	1	0	1	3	8	37.5	0	0		4	4	100.0	51.2	5	8	1	2	+1
16	Goga Bitadze G. Bitadze	13	2/3/2025	ORL	@	GSW	15	4	1	1	1	1	7	14.3	0	0		2	5	40.0	21.7	6	7	1	1	-7
17	Mark Williams M. Williams	13	1/12/2025	CHA	@	PHX	17	22	3	0	1	9	10	90.0	0	0		4	6	66.7	87.0	6	7	1	1	+9
18	Karl-Anthony Towns K. Towns	13	1/3/2025	NYK	@	OKC	20	8	2	1	0	4	6	66.7	0	0		0	0		66.7	1	12	2	2	+11
19	Victor Wembanyama V. Wembanyama	13	1/3/2025	SAS	@	DEN	17	22	2	0	1	9	12	75.0	2	2	100.0	2	2	100.0	85.4	2	11	3	3	+17
20	Karl-Anthony Towns K. Towns	13	12/15/2024	NYK	@	ORL	21	13	2	0	0	5	9	55.6	1	2	50.0	2	2	100.0	65.8	2	11	3	1	+9
21	Bobby Portis B. Portis	13	12/6/2024	MIL	@	BOS	13	4	1	0	0	2	12	16.7	0	4	0.0	0	0		16.7	6	7	1	2	+3
22	Alperen Sengun A. Sengun	13	10/23/2024	HOU	vs	CHA	18	19	2	2	1	7	13	53.8	2	2	100.0	3	3	100.0	66.3	5	8	1	1	+11
23	Rudy Gobert R. Gobert	12	3/30/2025	MIN	vs	DET	20	11	0	0	1	5	8	62.5	0	0		1	2	50.0	61.9	5	7	0	3	-4
24	Guerschon Yabusele G. Yabusele	12	3/14/2025	PHI	vs	IND	20	5	1	0	0	1	6	16.7	1	3	33.3	2	4	50.0	32.2	1	11	1	0	+8
25	Luka Dončić L. Dončić	12	2/25/2025	LAL	vs	DAL	18	12	7	2	2	3	8	37.5	1	4	25.0	5	6	83.3	56.4	1	11	1	0	+5