Three hits in the first inning helped Fort Wayne take a 1-0 lead against Dayton at Parkview Field into the fourth inning.
A single by first baseman Luis Tejada scored Corey Adamson for the only run of the game.
The TinCaps loaded the bases in the third with no outs but couldn't get a run across in that frame.
But they've been all over Dragons starter Nick Travieso, who has given up four hits in three innings and hasn't had an easy at-bat yet. Travieso has also walked three batters.
Fort Wayne starter Max Fried has given up three hits but allowed only one runner past second in the first three innings.