The Bismarck Larks lost their fourth straight game on July 7 at Municipal Ballpark, as they were swept by the Thunder Bay Border Cats.
After winning the first half of the North Division, the Larks have yet to win a game in the second half of the season.
Thunder Bay scored five runs in the first three innings and never looked back.
Thunder Bay won, 5-2.
Next the Bismarck Larks stay at home and start a two-game set with the Willmar Stingers tomorrow at 3:05 p.m.