| Dennis Smith Jr. Tips 2018-2019 | Stats Glossary  |
| Games with 10 or more Efficiency recap | Dallas Mavericks Record : 12 - 6 | Dennis Smith Jr. |
| No | Date | Game | Res | Score | Efficiency recap |
| 1 | Jan 30 | at New_York | W | 114-90 | 26 |
| 2 | Jan 27 | vs Toronto | L | 120-123 | 13 |
| 3 | Jan 25 | vs Detroit | W | 106-101 | 15 |
| 4 | Jan 22 | vs L.A.Clippers | W | 106-98 | 15 |
| 5 | Jan 2 | at Charlotte | W | 122-84 | 21 |
| 6 | Dec 28 | at New_Orleans | L | 112-114 | 16 |
| 7 | Dec 4 | vs Portland | W | 111-102 | 15 |
| 8 | Dec 2 | vs L.A.Clippers | W | 114-110 | 14 |
| 9 | Nov 28 | at Houston | W | 128-108 | 17 |
| 10 | Nov 19 | at Memphis | L | 88-98 | 16 |
| 11 | Nov 17 | vs Golden_State | W | 112-109 | 13 |
| 12 | Nov 12 | at Chicago | W | 103-98 | 10 |
| 13 | Nov 10 | vs Oklahoma_City | W | 111-96 | 14 |
| 14 | Nov 6 | vs Washington | W | 119-100 | 20 |
| 15 | Oct 29 | at San_Antonio | L | 108-113 | 15 |
| 16 | Oct 28 | vs Utah | L | 104-113 | 23 |
| 17 | Oct 24 | at Atlanta | L | 104-111 | 19 |
| 18 | Oct 20 | vs Minnesota | W | 140-136 | 19 |
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