| Dennis Smith Jr. Rankings 2017-2018 | Stats Glossary  |
| Games with 13 or more Efficiency Recap | Dallas Mavericks Record : 14 - 18 | Dennis Smith Jr. |
| No | Date | Game | Res | Score | Efficiency Recap |
| 1 | Apr 8 | at Philadelphia | L | 97-109 | 27 |
| 2 | Apr 3 | vs Portland | W | 115-109 | 27 |
| 3 | Mar 30 | vs Minnesota | L | 92-93 | 15 |
| 4 | Mar 27 | at Sacramento | W | 103-97 | 15 |
| 5 | Mar 24 | vs Charlotte | L | 98-102 | 20 |
| 6 | Mar 17 | at Brooklyn | L | 106-114 | 23 |
| 7 | Mar 6 | vs Denver | W | 118-107 | 25 |
| 8 | Mar 4 | vs New_Orleans | L | 109-126 | 19 |
| 9 | Mar 2 | at Chicago | L | 100-108 | 18 |
| 10 | Feb 13 | vs Sacramento | L | 109-114 | 13 |
| 11 | Feb 11 | at Houston | L | 97-104 | 16 |
| 12 | Feb 10 | vs L.A.Lakers | W | 130-123 | 17 |
| 13 | Feb 8 | at Golden_State | L | 103-121 | 19 |
| 14 | Jan 26 | vs Portland | L | 93-107 | 23 |
| 15 | Jan 22 | vs Washington | W | 98-75 | 15 |
| 16 | Jan 20 | at Portland | L | 108-117 | 25 |
| 17 | Jan 16 | at Denver | L | 102-105 | 22 |
| 18 | Jan 13 | vs L.A.Lakers | L | 101-107 | 15 |
| 19 | Jan 10 | at Charlotte | W | 115-111 | 15 |
| 20 | Jan 9 | vs Orlando | W | 114-99 | 21 |
| 21 | Dec 31 | at Oklahoma_City | W | 116-113 | 19 |
| 22 | Dec 29 | at New_Orleans | W | 128-120 | 31 |
| 23 | Dec 20 | vs Detroit | W | 110-93 | 18 |
| 24 | Dec 4 | vs Denver | W | 122-105 | 18 |
| 25 | Dec 2 | vs L.A.Clippers | W | 108-82 | 13 |
| 26 | Nov 27 | at San_Antonio | L | 108-115 | 15 |
| 27 | Nov 14 | vs San_Antonio | L | 91-97 | 16 |
| 28 | Nov 11 | vs Cleveland | L | 104-111 | 27 |
| 29 | Nov 7 | at Washington | W | 113-99 | 24 |
| 30 | Nov 4 | at Minnesota | L | 99-112 | 13 |
| 31 | Oct 25 | vs Memphis | W | 103-94 | 18 |
| 32 | Oct 18 | vs Atlanta | L | 111-117 | 19 |
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