Logan Farrington scored in the 16th minute, while Patrickson Delgado and Osaze Urhoghide added goals, and Petar Musa capped the scoring in stoppage time to secure the 4-0 win. Michael Collodi made three saves to earn his second clean sheet of the season.
Musa's goal tied him for the league lead, while Dallas improved to 3-1-2. D.C. United fell to 2-3-1.