| Robert Williams III Rankings 2021-2022 | Stats Glossary  |
| Games with 2 or more Free-throws Made | Boston Celtics Record : 13 - 12 | Robert Williams III |
| No | Date | Game | Res | Score | Free-throws Made |
| 1 | Jun 16 | vs Golden_State | L | 90-103 | 2 |
| 2 | Jun 13 | at Golden_State | L | 94-104 | 2 |
| 3 | May 29 | at Miami | W | 100-96 | 2 |
| 4 | May 27 | vs Miami | L | 103-111 | 2 |
| 5 | May 25 | at Miami | W | 93-80 | 2 |
| 6 | May 23 | vs Miami | W | 102-82 | 4 |
| 7 | May 17 | at Miami | L | 107-118 | 6 |
| 8 | May 3 | vs Milwaukee | W | 109-86 | 2 |
| 9 | Mar 13 | vs Dallas | L | 92-95 | 2 |
| 10 | Mar 11 | vs Detroit | W | 114-103 | 2 |
| 11 | Mar 1 | vs Atlanta | W | 107-98 | 3 |
| 12 | Feb 24 | at Brooklyn | W | 129-106 | 4 |
| 13 | Feb 6 | at Orlando | W | 116-83 | 2 |
| 14 | Jan 28 | at Atlanta | L | 92-108 | 5 |
| 15 | Jan 15 | vs Chicago | W | 114-112 | 4 |
| 16 | Jan 10 | vs Indiana | W | 101-98 | 6 |
| 17 | Dec 27 | at Minnesota | L | 103-108 | 2 |
| 18 | Dec 18 | vs New_York | W | 114-107 | 3 |
| 19 | Dec 10 | at Phoenix | L | 90-111 | 2 |
| 20 | Dec 7 | at L.A.Lakers | L | 102-117 | 3 |
| 21 | Dec 3 | at Utah | L | 130-137 | 2 |
| 22 | Nov 12 | vs Milwaukee | W | 122-113 | 2 |
| 23 | Nov 6 | at Dallas | L | 104-107 | 2 |
| 24 | Oct 25 | at Charlotte | W | 140-129 | 2 |
| 25 | Oct 20 | at New_York | L | 134-138 | 6 |
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