| Robert Williams III Rankings 2021-2022 | Stats Glossary  |
| Games with .737 or more Field-goals Percentage | Boston Celtics Record : 28 - 14 | Robert Williams III |
| No | Date | Game | Res | Score | Field-goals Percentage |
| 1 | Jun 13 | at Golden_State | L | 94-104 | .800 |
| 2 | Jun 10 | vs Golden_State | L | 97-107 | 1.00 |
| 3 | Jun 8 | vs Golden_State | W | 116-100 | .800 |
| 4 | Jun 5 | at Golden_State | L | 88-107 | 1.00 |
| 5 | Jun 2 | at Golden_State | W | 120-108 | 1.00 |
| 6 | May 25 | at Miami | W | 93-80 | 1.00 |
| 7 | May 23 | vs Miami | W | 102-82 | .800 |
| 8 | May 17 | at Miami | L | 107-118 | .750 |
| 9 | May 3 | vs Milwaukee | W | 109-86 | .800 |
| 10 | Apr 23 | at Brooklyn | W | 109-103 | 1.00 |
| 11 | Mar 27 | vs Minnesota | W | 134-112 | .857 |
| 12 | Mar 23 | vs Utah | W | 125-97 | .857 |
| 13 | Mar 20 | at Denver | W | 124-104 | 1.00 |
| 14 | Mar 16 | at Golden_State | W | 110-88 | .800 |
| 15 | Mar 13 | vs Dallas | L | 92-95 | 1.00 |
| 16 | Mar 3 | vs Memphis | W | 120-107 | .833 |
| 17 | Mar 1 | vs Atlanta | W | 107-98 | 1.00 |
| 18 | Feb 24 | at Brooklyn | W | 129-106 | .800 |
| 19 | Feb 13 | vs Atlanta | W | 105-95 | .833 |
| 20 | Feb 6 | at Orlando | W | 116-83 | .800 |
| 21 | Feb 4 | at Detroit | W | 102-93 | 1.00 |
| 22 | Feb 2 | vs Charlotte | W | 113-107 | .833 |
| 23 | Jan 25 | vs Sacramento | W | 128-75 | .750 |
| 24 | Jan 14 | at Philadelphia | L | 99-111 | .750 |
| 25 | Jan 10 | vs Indiana | W | 101-98 | .800 |
| 26 | Jan 8 | vs New_York | W | 99-75 | .857 |
| 27 | Jan 6 | at New_York | L | 105-108 | 1.00 |
| 28 | Dec 31 | vs Phoenix | W | 123-108 | 1.00 |
| 29 | Dec 29 | vs L.A.Clippers | L | 82-91 | .800 |
| 30 | Dec 22 | vs Cleveland | W | 111-101 | .833 |
| 31 | Dec 18 | vs New_York | W | 114-107 | .750 |
| 32 | Dec 13 | vs Milwaukee | W | 117-103 | .833 |
| 33 | Dec 10 | at Phoenix | L | 90-111 | .800 |
| 34 | Dec 4 | at Portland | W | 145-117 | 1.00 |
| 35 | Dec 3 | at Utah | L | 130-137 | 1.00 |
| 36 | Nov 22 | vs Houston | W | 108-90 | 1.00 |
| 37 | Nov 13 | at Cleveland | L | 89-91 | .857 |
| 38 | Nov 12 | vs Milwaukee | W | 122-113 | 1.00 |
| 39 | Nov 6 | at Dallas | L | 104-107 | .875 |
| 40 | Nov 3 | at Orlando | W | 92-79 | .750 |
| 41 | Oct 27 | vs Washington | L | 107-116 | .750 |
| 42 | Oct 20 | at New_York | L | 134-138 | 1.00 |
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