The Windsor Spitfires were blanked 2-0 by the Bulldogs at Hamilton's First Ontario Centre Sunday.
Hamilton's Brandon Saigeon found the back of the net halfway through the second-period on the power play, but Windsor didn't have an answer.
The Bulldogs' Nick Donofrio stop all 23-shots he faced to grab his first shutout of the season.
Spits goalie Brock Baier stopped 15 of the 16-shots he faced, Hamilton's Arthur Kaliyev dropped in an empty-net-goal in the third.
The Spits currently remain in third-place in the OHL West Division with 23-points.
Windsor faces the Rangers in Kitchener Friday.