| Robert Williams III Rankings 2021-2022 | Stats Glossary  |
| Games with 4 or more Offensive Rebounds | Boston Celtics Record : 21 - 16 | Robert Williams III |
| No | Date | Game | Res | Score | Offensive Rebounds |
| 1 | Jun 16 | vs Golden_State | L | 90-103 | 5 |
| 2 | Jun 10 | vs Golden_State | L | 97-107 | 4 |
| 3 | May 23 | vs Miami | W | 102-82 | 5 |
| 4 | May 7 | at Milwaukee | L | 101-103 | 4 |
| 5 | Apr 25 | at Brooklyn | W | 116-112 | 4 |
| 6 | Mar 27 | vs Minnesota | W | 134-112 | 6 |
| 7 | Mar 13 | vs Dallas | L | 92-95 | 4 |
| 8 | Mar 11 | vs Detroit | W | 114-103 | 5 |
| 9 | Mar 9 | at Charlotte | W | 115-101 | 7 |
| 10 | Mar 1 | vs Atlanta | W | 107-98 | 4 |
| 11 | Feb 27 | at Indiana | L | 107-128 | 7 |
| 12 | Feb 26 | at Detroit | W | 113-104 | 5 |
| 13 | Feb 13 | vs Atlanta | W | 105-95 | 6 |
| 14 | Feb 11 | vs Denver | W | 108-102 | 6 |
| 15 | Feb 8 | at Brooklyn | W | 126-91 | 6 |
| 16 | Feb 6 | at Orlando | W | 116-83 | 4 |
| 17 | Jan 28 | at Atlanta | L | 92-108 | 4 |
| 18 | Jan 25 | vs Sacramento | W | 128-75 | 7 |
| 19 | Jan 21 | vs Portland | L | 105-109 | 6 |
| 20 | Jan 15 | vs Chicago | W | 114-112 | 4 |
| 21 | Jan 14 | at Philadelphia | L | 99-111 | 4 |
| 22 | Jan 10 | vs Indiana | W | 101-98 | 6 |
| 23 | Jan 5 | vs San_Antonio | L | 97-99 | 4 |
| 24 | Dec 31 | vs Phoenix | W | 123-108 | 4 |
| 25 | Dec 29 | vs L.A.Clippers | L | 82-91 | 10 |
| 26 | Dec 25 | at Milwaukee | L | 113-117 | 6 |
| 27 | Dec 22 | vs Cleveland | W | 111-101 | 4 |
| 28 | Dec 18 | vs New_York | W | 114-107 | 4 |
| 29 | Dec 17 | vs Golden_State | L | 107-111 | 5 |
| 30 | Nov 13 | at Cleveland | L | 89-91 | 5 |
| 31 | Nov 12 | vs Milwaukee | W | 122-113 | 6 |
| 32 | Nov 10 | vs Toronto | W | 104-88 | 8 |
| 33 | Nov 6 | at Dallas | L | 104-107 | 4 |
| 34 | Nov 4 | at Miami | W | 95-78 | 5 |
| 35 | Nov 1 | vs Chicago | L | 114-128 | 4 |
| 36 | Oct 27 | vs Washington | L | 107-116 | 5 |
| 37 | Oct 25 | at Charlotte | W | 140-129 | 6 |
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