Luka Doncic had a triple-double of 32 points and 15 assists and 12 rebounds for the Dallas Mavericks, who beat the San Antonio Spurs 109-123 on the road.
Dallas clinched the season series against its intrastate rival with its third straight win over San Antonio in the first 12 games of the season.
The Mavericks have won four of five overall, while San Antonio has been unable to win consecutive games this season.
Kristaps Porzingis also scored 32 points, a season-high, and backup Jalen Brunson contributed 17 for the Mavericks (8-4).
Playing in his fourth game since returning from a back injury, Porzingis has scored 54 points in his last two games.
The Spurs (4-8) had as their best scorer Devin Vassell, who scored 20 points.
Keldon Johnson had 15 points and nine rebounds and DeJounte Murray had 15 points.
San Antonio was left without starter Jakob Poeltl, who remains under the league’s Health and Safety Protocols.