| Boston Celtics Out-Of-Paint Rankings 2020-2021 | Stats Glossary  |
| Games with 73 or more Efficiency Recap | Boston Celtics Record : 25 - 15 |
| No | Date | Game | Score | Efficiency Recap |
| 1 | May 15 | at Minnesota | W | 124-108 | 86 |
| 2 | May 11 | vs Miami | L | 121-129 | 89 |
| 3 | May 9 | vs Miami | L | 124-130 | 84 |
| 4 | May 5 | at Orlando | W | 132-96 | 89 |
| 5 | May 2 | vs Portland | L | 119-129 | 88 |
| 6 | Apr 28 | vs Charlotte | W | 120-111 | 77 |
| 7 | Apr 23 | at Brooklyn | L | 104-109 | 80 |
| 8 | Apr 19 | vs Chicago | L | 96-102 | 75 |
| 9 | Apr 17 | vs Golden_State | W | 119-114 | 104 |
| 10 | Apr 15 | at L.A.Lakers | W | 121-113 | 102 |
| 11 | Apr 9 | vs Minnesota | W | 145-136 | 88 |
| 12 | Apr 7 | vs New_York | W | 101-99 | 84 |
| 13 | Apr 4 | vs Charlotte | W | 116-86 | 80 |
| 14 | Apr 2 | vs Houston | W | 118-102 | 83 |
| 15 | Mar 31 | vs Dallas | L | 108-113 | 80 |
| 16 | Mar 27 | at Oklahoma_City | W | 111-94 | 75 |
| 17 | Mar 24 | at Milwaukee | L | 119-121 | 80 |
| 18 | Mar 22 | at Memphis | L | 126-132 | 81 |
| 19 | Mar 21 | vs Orlando | W | 112-96 | 95 |
| 20 | Mar 16 | vs Utah | L | 109-117 | 77 |
| 21 | Mar 14 | at Houston | W | 134-107 | 99 |
| 22 | Mar 4 | vs Toronto | W | 132-125 | 98 |
| 23 | Mar 2 | vs L.A.Clippers | W | 117-112 | 76 |
| 24 | Feb 24 | at Atlanta | L | 112-127 | 84 |
| 25 | Feb 23 | at Dallas | L | 107-110 | 80 |
| 26 | Feb 19 | vs Atlanta | W | 121-109 | 74 |
| 27 | Feb 17 | vs Atlanta | L | 114-122 | 74 |
| 28 | Feb 11 | vs Toronto | W | 120-106 | 83 |
| 29 | Feb 5 | at L.A.Clippers | W | 119-115 | 80 |
| 30 | Jan 25 | at Chicago | W | 119-103 | 97 |
| 31 | Jan 24 | vs Cleveland | W | 141-103 | 120 |
| 32 | Jan 22 | at Philadelphia | L | 110-122 | 86 |
| 33 | Jan 15 | vs Orlando | W | 124-97 | 86 |
| 34 | Jan 6 | at Miami | W | 107-105 | 74 |
| 35 | Jan 4 | at Toronto | W | 126-114 | 81 |
| 36 | Jan 3 | at Detroit | W | 122-120 | 96 |
| 37 | Jan 1 | at Detroit | L | 93-96 | 74 |
| 38 | Dec 30 | vs Memphis | W | 126-107 | 101 |
| 39 | Dec 27 | at Indiana | L | 107-108 | 83 |
| 40 | Dec 23 | vs Milwaukee | W | 122-121 | 87 |
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