Fort Wayne committed four errors in a 6-3 loss to Dayton in front of 4,674 fans Tuesday at Parkview Field.
Smmy Diaz had two hits, scored twice and drove in one run for Dayton.
Travis Whitmore had two hits and scored once for Fort Wayne. Austin Hedges had three hits and scored once.
The TinCaps lost the last three of the four-game series.