| Robert Williams Rankings 2018-2019 | Stats Glossary  |
| Games with 6 or more Efficiency Recap | Boston Celtics Record : 9 - 5 | Robert Williams |
| No | Date | Game | Res | Score | Efficiency Recap |
| 1 | Apr 30 | at Milwaukee | L | 102-123 | 8 |
| 2 | Apr 9 | at Washington | W | 116-110 | 15 |
| 3 | Mar 23 | at Charlotte | L | 117-124 | 7 |
| 4 | Feb 26 | at Toronto | L | 95-118 | 10 |
| 5 | Jan 23 | vs Cleveland | W | 123-103 | 8 |
| 6 | Jan 10 | at Miami | L | 99-115 | 9 |
| 7 | Jan 9 | vs Indiana | W | 135-108 | 11 |
| 8 | Dec 23 | vs Charlotte | W | 119-103 | 6 |
| 9 | Dec 19 | vs Phoenix | L | 103-111 | 20 |
| 10 | Dec 14 | vs Atlanta | W | 129-108 | 10 |
| 11 | Dec 12 | at Washington | W | 130-125 | 12 |
| 12 | Dec 10 | vs New_Orleans | W | 113-100 | 19 |
| 13 | Nov 23 | at Atlanta | W | 114-96 | 8 |
| 14 | Oct 27 | at Detroit | W | 109-89 | 8 |
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